Shadowrun

Shadowrun Play => Rules and such => Topic started by: robo the dino on <11-06-10/0015:43>

Title: Smartlink confusion
Post by: robo the dino on <11-06-10/0015:43>
So what the hell are these things, anyway? I'm talking about the smartlink here (listed as a Vision Enhancement) not the smartgun system (the firearm accessory). The text never makes it quite clear what (in game) these things do- if they're receivers for the signal from the smartgun, or processors for it, why can't you just use your commlink? If they're purely a display/interface function, why doesn't a simple image link suffice?
Furthermore, the fact that they are listed only as a Vision Enhancement is a little weird. If I have a smartlink system built into my glasses, how does it let me mentally control the gun? Shouldn't I need a DNI? And what if I don't want every single character with a smartgun system to wear shades all the time? Can't I put the smartlink in my commlink and use a DNI interface to display its info directly to my brain?
Thanks in advance for relieving me of my noobishness.
Title: Re: Smartlink confusion
Post by: FastJack on <11-06-10/0047:20>
It's coordination software to more accurately aim your gun. When using smartlink, you see a target reticule over what exactly your gun is point at, making it easier to aim and hit your target. Image link just displays the AR around you.

You're not controlling the gun with the interface, merely linking up the gun's Smartlink system to display a target reticule of where it's pointing.

In the old days, you did need a DNI for the system, but in the wireless world, they've been able to remove this requirement replace this with a wireless DNI.

If you don't want to wear shades/goggles/contacts, you have to the cyber implanted into you eyes to project the reticule right onto your retina.
Title: Re: Smartlink confusion
Post by: robo the dino on <11-06-10/0058:49>
Thanks for the reply. Unfortunately, it didn't really address my question beyond restating the core book. If all the smartlink does is display a targeting reticule  (and ammo count, etc.) on your vision enhancement, how is that really different from an image link, which displays the same kind of images from other sources?
And it doesn't explain how a smartlink allows for mental control of the gun- for instance, ejecting the clip as a Free Action (p.135)- without some kind of interface. I could see voice command being an alternative, or AR gloves, but it seems like you should still need trodes or a datajack to do it at the speed of thought.
Title: Re: Smartlink confusion
Post by: FastJack on <11-06-10/0133:20>
Okay... Here's my explanation:

Image link is nothing more than displaying the Augmented Reality of the world around you onto your retina. The software behind it is a simple display interface and is as smart as your monitor's hardware on your computer.

Smartlink on goggles/glasses/contacts is an UPGRADE to an image link (you can't have Smartlink without it) and has a interface with your gun's Smartgun software to display a target reticule and the gun's information onto the lenses of the item. It uses Eye-Tracking (http://vimeo.com/6503448) software for you to interact with the gun's operation, making it so you look at and highlight the command "eject clip" to do things like that.

Smartlink cyberware is, as it is with the glasses, an upgraded image link. It goes a little beyond that. It also comes with a wireless DNI (Augmentation, p. 31) as part of the system so you can mentally control the gun's systems directly.
Title: Re: Smartlink confusion
Post by: Nomad Zophiel on <11-06-10/0158:06>
Image link can display a crosshair in kind of a generic sense.

Smartlink displays a crosshair where your gun is aiming, accounting for windspeed, enemy movement, avoiding cover and so forth. Basically it does a good bit of the aiming for you.
Title: Re: Smartlink confusion
Post by: Critias on <11-06-10/0235:02>
If all the smartlink does is display a targeting reticule  (and ammo count, etc.) on your vision enhancement, how is that really different from an image link, which displays the same kind of images from other sources?
I think of it as a comparison between, say, MS Paint (image link) and a top of the line graphic art/image manipulation/whatever program (full on smartlink).  In theory and in broad concept, both do the same thing.  In practice, one is light years ahead of the other.

Title: Re: Smartlink confusion
Post by: Medicineman on <11-06-10/0238:51>
Maybe you're missing the Fact that you need both the Smartlink  as Vision enhancement (and the Imagelink as a base too) AND the Smartlink in/at your Weapon  for the Smartsystem to work ?

HeyaHeyaHeya
Medicineman
Title: Re: Smartlink confusion
Post by: Nomad Zophiel on <11-06-10/0249:31>
Say, speaking of which, does Image Link or Enhanced Vision count as a "sense" for Tacnet? I would imagine the former doesn't but the latter seems like it could go either way.
Title: Re: Smartlink confusion
Post by: The_Gun_Nut on <11-06-10/1558:21>
Enhanced vision would, but image link would not.  Image link doesn't provide an extra external "sense," while enhanced vision would provide enough extra visual information to qualify (depending on the GM).
Title: Re: Smartlink confusion
Post by: FoxBoy on <11-07-10/1517:53>
If I remember right, smartlink also counts as a 'sense' as far as tacnets are concerned.
Title: Re: Smartlink confusion
Post by: The_Gun_Nut on <11-08-10/0120:03>
Right, because it provides additional information due to its ability to calculate trajectories and distances.  It is an "information source."
Title: Re: Smartlink confusion
Post by: shadowpavement on <11-08-10/0618:20>
For some reason I'm reminded of of a guy, a long long time ago on the dumpshock boards, who was complaining about how his players were putting smart links on their swords, grenades, and spurs and wanted to know what to do about it  ;)
Title: Re: Smartlink confusion
Post by: The_Gun_Nut on <11-08-10/1856:29>
Um, nothing?  They don't help with those devices.
Title: Re: Smartlink confusion
Post by: KarmaInferno on <11-09-10/1040:30>
To be fair, while they don't help with melee weapons, there has been previous fluff about "smartball" technology used in sports.

There's no actual game rules for it, but I could see houseruling a "throw ball" 'ware to work with thrown grenades.



-k
Title: Re: Smartlink confusion
Post by: robo the dino on <11-13-10/1529:03>
Okay... Here's my explanation:

Image link is nothing more than displaying the Augmented Reality of the world around you onto your retina. The software behind it is a simple display interface and is as smart as your monitor's hardware on your computer.

Smartlink on goggles/glasses/contacts is an UPGRADE to an image link (you can't have Smartlink without it) and has a interface with your gun's Smartgun software to display a target reticule and the gun's information onto the lenses of the item. It uses Eye-Tracking (http://vimeo.com/6503448) software for you to interact with the gun's operation, making it so you look at and highlight the command "eject clip" to do things like that.

This is probably about as good of an explanation as I can hope for. The eye-tracking thing is a good way to go, although I wish they would have stated it directly somewhere. Thanks.

I think of it as a comparison between, say, MS Paint (image link) and a top of the line graphic art/image manipulation/whatever program (full on smartlink).  In theory and in broad concept, both do the same thing.  In practice, one is light years ahead of the other.

I might find this convincing if your smartlink provided a three-dimensional battle map with a ton of predictive information and AI-enhanced advice on what to do, like a TacNet. But it doesn't- it displays a targeting reticule, shows range and ammo count, and shows the expected trajectory for a target in motion. Not only is that not anything special in the year 2070, it's not anything special now, IRL. Your image link is probably accustomed to displaying lots more complicated data than your smartlink, with fully-animated ads and the like abounding in spam zones.

Final question: How do Smartlinks interact with riggers? If a rigger has a smartgun system on a vehicle he's jumped into, does he get the bonus automatically, not at all, or does he still need a smartlink (which would be weird, given that he's not using his own eyes...)?

Thanks for the replies, and happy hunting.
Title: Re: Smartlink confusion
Post by: FastJack on <11-14-10/0246:31>
The rigger thing came up in another thread (it's late and I'm very tired, I'll look for it tomorrow). I figured it would work, since the gun on the drone would link to the optics in the drone, which you're looking through. Since Smartlink is now available as an accessory to any imaging system (goggles/glasses/contacts), I figured that as long as the optics on the drone had it installed, you should be good. It would ONLY work when you've jumped into the drone, however.
Title: Re: Smartlink confusion
Post by: Chaemera on <11-14-10/0832:32>
I would, personally, consider a smart-gun system on drone/vehicle mounted weapons to be redundant with the sensors on the drone/vehicle. When you look at what a smartgun system does:

Quote from:  SR4A, pg. 322, Smartgun System
... It incorporates a laser range finder and a small camera, and keeps track of ammunition, heat buildup and material stress. It allows a smartlinked character to mentally switch between gun modes, eject clips , and fire the gun without pulling the trigger. The camera allows for targeted shooting around corners, without exposing oneself to return fire.
     The system makes use of advanced calculation software, allowing the user to aim even weapons with a highly ballistic firing arc (like grenades) with tremendous precision over any distance. The smartgun system can also be accessed via wireless link, allowing for the gun to be remotely fired or to block the trigger (in case an opponent gets ahold of it).

All that sounds like information the drone/vehicle would need to have (and provide a rigger) just to fire a weapon, period. Of course, this is my opinion, the RAW doesn't appear to say that you can't combine the drone/vehicle's sensors with a smartgun system, so if you're GM is cool with it, go nuts.
Title: Re: Smartlink confusion
Post by: Critias on <11-14-10/1325:09>
Okay... Here's my explanation:

Image link is nothing more than displaying the Augmented Reality of the world around you onto your retina. The software behind it is a simple display interface and is as smart as your monitor's hardware on your computer.

Smartlink on goggles/glasses/contacts is an UPGRADE to an image link (you can't have Smartlink without it) and has a interface with your gun's Smartgun software to display a target reticule and the gun's information onto the lenses of the item. It uses Eye-Tracking (http://vimeo.com/6503448) software for you to interact with the gun's operation, making it so you look at and highlight the command "eject clip" to do things like that.

This is probably about as good of an explanation as I can hope for. The eye-tracking thing is a good way to go, although I wish they would have stated it directly somewhere. Thanks.

I think of it as a comparison between, say, MS Paint (image link) and a top of the line graphic art/image manipulation/whatever program (full on smartlink).  In theory and in broad concept, both do the same thing.  In practice, one is light years ahead of the other.

I might find this convincing if your smartlink provided a three-dimensional battle map with a ton of predictive information and AI-enhanced advice on what to do, like a TacNet. But it doesn't- it displays a targeting reticule, shows range and ammo count, and shows the expected trajectory for a target in motion. Not only is that not anything special in the year 2070, it's not anything special now, IRL. Your image link is probably accustomed to displaying lots more complicated data than your smartlink, with fully-animated ads and the like abounding in spam zones.
Uhm...okay.  So his saying that a smartlink is a an upgrade to an image link is brilliant and reasonable, my analogy that a smartlink is an upgrade to image link, using modern day examples of different tiers of a theoretically similar piece of software, isn't "convincing."  

*shrugs*

Fair enough, I guess I can't win 'em all.   ;D
Title: Re: Smartlink confusion
Post by: Nomad Zophiel on <11-14-10/1957:04>
All that sounds like information the drone/vehicle would need to have (and provide a rigger) just to fire a weapon, period. Of course, this is my opinion, the RAW doesn't appear to say that you can't combine the drone/vehicle's sensors with a smartgun system, so if you're GM is cool with it, go nuts.

Its the difference from having a camera with a crosshair on top of a weapon and having the extra programming that accounts for position, your velocity, the target's velocity, intervening terrain etc and gives you feedback on how to adjust your aim for optimal targeting.The smartlink on the gun does all, of that of course. The smartlink vision upgrade processes that input and overlays it on your glasses, taking into account the position of your eyes, angle of your head and the location of the target relative to them. That does make me think it should be available as a comlink upgrade, though, so it can relay the info via simsense.
Title: Re: Smartlink confusion
Post by: FastJack on <11-14-10/2021:27>
All that sounds like information the drone/vehicle would need to have (and provide a rigger) just to fire a weapon, period. Of course, this is my opinion, the RAW doesn't appear to say that you can't combine the drone/vehicle's sensors with a smartgun system, so if you're GM is cool with it, go nuts.

Its the difference from having a camera with a crosshair on top of a weapon and having the extra programming that accounts for position, your velocity, the target's velocity, intervening terrain etc and gives you feedback on how to adjust your aim for optimal targeting.The smartlink on the gun does all, of that of course. The smartlink vision upgrade processes that input and overlays it on your glasses, taking into account the position of your eyes, angle of your head and the location of the target relative to them. That does make me think it should be available as a comlink upgrade, though, so it can relay the info via simsense.
That sounds like the equivalent of me stating that since my Cellphone can access the web, I should be able to upgrade it so my iPod can communicate wirelessly. Commlinks have nothing to do with the Smartlink installed in your gun at any point. And, if you want to view AR that your Cellphone receives, you have to purchase goggles, glasses, contacts or cybernetic enhancements to see them. So, how would a commlink upgrade broadcast Smartlink information without another means of displaying it?
Title: Re: Smartlink confusion
Post by: Nomad Zophiel on <11-14-10/2059:36>
That sounds like the equivalent of me stating that since my Cellphone can access the web, I should be able to upgrade it so my iPod can communicate wirelessly. Commlinks have nothing to do with the Smartlink installed in your gun at any point. And, if you want to view AR that your Cellphone receives, you have to purchase goggles, glasses, contacts or cybernetic enhancements to see them. So, how would a commlink upgrade broadcast Smartlink information without another means of displaying it?

Let em rephrase a bit. If you're wearing 'trodes you don't need glasses to see your commlink's AR. Since all of the targeting circuitry is a function of the weapon, it would make sense that it could be relayed directly via simsense rather than require a visual feed. That's what a standalone smartlink does, right? Relays the smartgun's data straight to the brain. This would be similar to rigging and/or VR hacking via 'trodes. The actual smartlink receiving hardware has to go somewhere in this situation and 'trodes don't have upgrade capacity so it would presumably go to the commlink.
Title: Re: Smartlink confusion
Post by: Chaemera on <11-14-10/2235:37>
All that sounds like information the drone/vehicle would need to have (and provide a rigger) just to fire a weapon, period. Of course, this is my opinion, the RAW doesn't appear to say that you can't combine the drone/vehicle's sensors with a smartgun system, so if you're GM is cool with it, go nuts.

Its the difference from having a camera with a crosshair on top of a weapon and having the extra programming that accounts for position, your velocity, the target's velocity, intervening terrain etc and gives you feedback on how to adjust your aim for optimal targeting.The smartlink on the gun does all, of that of course. The smartlink vision upgrade processes that input and overlays it on your glasses, taking into account the position of your eyes, angle of your head and the location of the target relative to them. That does make me think it should be available as a comlink upgrade, though, so it can relay the info via simsense.

Okay, if the smartgun-smartlink combo works as you described (ties together aiming of gun to angle of head/eyes/relative location of target and user) then I definitely don't think that a smartgun system works with a drone/vehicle weapon that's accessed via jumping into the drone/vehicle. At that point, aiming has zero to do with the smartlink side of the equation (since aiming the drone-gun is independent of the rigger's eyes, head and location.
Title: Re: Smartlink confusion
Post by: FastJack on <11-15-10/0004:36>
That sounds like the equivalent of me stating that since my Cellphone can access the web, I should be able to upgrade it so my iPod can communicate wirelessly. Commlinks have nothing to do with the Smartlink installed in your gun at any point. And, if you want to view AR that your Cellphone receives, you have to purchase goggles, glasses, contacts or cybernetic enhancements to see them. So, how would a commlink upgrade broadcast Smartlink information without another means of displaying it?

Let em rephrase a bit. If you're wearing 'trodes you don't need glasses to see your commlink's AR. Since all of the targeting circuitry is a function of the weapon, it would make sense that it could be relayed directly via simsense rather than require a visual feed. That's what a standalone smartlink does, right? Relays the smartgun's data straight to the brain. This would be similar to rigging and/or VR hacking via 'trodes. The actual smartlink receiving hardware has to go somewhere in this situation and 'trodes don't have upgrade capacity so it would presumably go to the commlink.
Ah yes, but remember this bit:

Quote from: Unwired, p. 103
Issuing commands to a smartgun through a smartlink is a Free Action that requires no test; issuing commands to a smartgun through a commlink or any other wireless device is a Simple Action and requires a successful Computer + Command (1) Test. If two characters are attempting to command the same smartgun, make an Opposed Computer + Command Test, with the winner determining what the smartgun does that round. Some street samurai store a copy of the Command program in their smartlinks specifically for these tests.

Now, granted, it's originally talking about hacking a smartgun, but it applies even if the gun is your own. You'd still need to send the command through the Commlink to fire the gun. And you'd still have to make an Agility + Pistols test, without the +2 Smartlink bonus* because you're going through your commlink to do so. Don't forget that the commlink command is a Simple Action, meaning you'd still only get off one shot/burst a round instead of the two if you had simply fired the gun manually.

*The way I see it, if it takes an action to command the gun to fire, that means there's lag between the smartgun's system communicating to your commlink and your commlink passing the information to you. So, although you'd see the reticule and target information, it may be a half-second or more behind what is actually there.
Title: Re: Smartlink confusion
Post by: voydangel on <11-15-10/1743:55>
Quote from: Unwired, p. 103
Issuing commands to a smartgun through a smartlink is a Free Action that requires no test; issuing commands to a smartgun through a commlink or any other wireless device is a Simple Action and requires a successful Computer + Command (1) Test. If two characters are attempting to command the same smartgun, make an Opposed Computer + Command Test, with the winner determining what the smartgun does that round. Some street samurai store a copy of the Command program in their smartlinks specifically for these tests.

Now, granted, it's originally talking about hacking a smartgun, but it applies even if the gun is your own. You'd still need to send the command through the Commlink to fire the gun. And you'd still have to make an Agility + Pistols test, without the +2 Smartlink bonus* because you're going through your commlink to do so. Don't forget that the commlink command is a Simple Action, meaning you'd still only get off one shot/burst a round instead of the two if you had simply fired the gun manually.

*The way I see it, if it takes an action to command the gun to fire, that means there's lag between the smartgun's system communicating to your commlink and your commlink passing the information to you. So, although you'd see the reticule and target information, it may be a half-second or more behind what is actually there.

But based on that - wouldn't you be able to "Issue a command to a smartgun through a smartlink" as a free action, and have that action be "Fire"? Thereby enabling yourself to fire your gun with a free action rather than a simple? Then you could swap your simple actions for free actions and fire like .. what? ... 4 or 5 shots in a single action phase? How does this ruling of commanding a smartgun interact with actually firing it during combat?
Title: Re: Smartlink confusion
Post by: Chaemera on <11-15-10/1754:28>
Quote from: Unwired, p. 103
Issuing commands to a smartgun through a smartlink is a Free Action that requires no test; issuing commands to a smartgun through a commlink or any other wireless device is a Simple Action and requires a successful Computer + Command (1) Test. If two characters are attempting to command the same smartgun, make an Opposed Computer + Command Test, with the winner determining what the smartgun does that round. Some street samurai store a copy of the Command program in their smartlinks specifically for these tests.

Now, granted, it's originally talking about hacking a smartgun, but it applies even if the gun is your own. You'd still need to send the command through the Commlink to fire the gun. And you'd still have to make an Agility + Pistols test, without the +2 Smartlink bonus* because you're going through your commlink to do so. Don't forget that the commlink command is a Simple Action, meaning you'd still only get off one shot/burst a round instead of the two if you had simply fired the gun manually.

*The way I see it, if it takes an action to command the gun to fire, that means there's lag between the smartgun's system communicating to your commlink and your commlink passing the information to you. So, although you'd see the reticule and target information, it may be a half-second or more behind what is actually there.

But based on that - wouldn't you be able to "Issue a command to a smartgun through a smartlink" as a free action, and have that action be "Fire"? Thereby enabling yourself to fire your gun with a free action rather than a simple? Then you could swap your simple actions for free actions and fire like .. what? ... 4 or 5 shots in a single action phase? How does this ruling of commanding a smartgun interact with actually firing it during combat?

If you order the smartgun to fire. . . well, you're no longer going through the process of lining up your shot, properly holding the gun, controlled breathing, etc. You're telling the gun "fire" - and it fires. Wherever the barrel happens to be pointing at that exact moment. Before you say "yeah, but I was still holding it steady and on-target!" I counter with "and that's the definition of the "fire weapon" action, which is a simple action. Pointing the gun at your target, compensating for environmental factors, and all the other mental and physical hoops that go into the Agility + Firearms roll add up to requiring a simple action, regardless of whether you squeeze the trigger or command the gun via smart-link.

You want to use a free-action and ignore all that? I'll let you, but since you aren't in proper control of your weapon (as represented by the Fire Weapon action), you'll face a hefty dice-pool penalty.

Is it RAW? Perhaps not, but then again, the RAW that lets you roll your Agility + Firearms skill is the Simple Action (or complex for full auto) Fire Weapon. So, I'd also be free to argue for randomly deciding where the bullet goes when you give the command.
Title: Re: Smartlink confusion
Post by: voydangel on <11-16-10/1726:17>
I completely agree with that, and I wouldn't allow it in my game either, I was just curious what the RAW had to say about that explicitly, since it seems like that is one more loophole to add to the list.
Title: Re: Smartlink confusion
Post by: robo the dino on <11-19-10/1946:24>
Okay... Here's my explanation:

Image link is nothing more than displaying the Augmented Reality of the world around you onto your retina. The software behind it is a simple display interface and is as smart as your monitor's hardware on your computer.

Smartlink on goggles/glasses/contacts is an UPGRADE to an image link (you can't have Smartlink without it) and has a interface with your gun's Smartgun software to display a target reticule and the gun's information onto the lenses of the item. It uses Eye-Tracking (http://vimeo.com/6503448) software for you to interact with the gun's operation, making it so you look at and highlight the command "eject clip" to do things like that.

This is probably about as good of an explanation as I can hope for. The eye-tracking thing is a good way to go, although I wish they would have stated it directly somewhere. Thanks.

I think of it as a comparison between, say, MS Paint (image link) and a top of the line graphic art/image manipulation/whatever program (full on smartlink).  In theory and in broad concept, both do the same thing.  In practice, one is light years ahead of the other.

I might find this convincing if your smartlink provided a three-dimensional battle map with a ton of predictive information and AI-enhanced advice on what to do, like a TacNet. But it doesn't- it displays a targeting reticule, shows range and ammo count, and shows the expected trajectory for a target in motion. Not only is that not anything special in the year 2070, it's not anything special now, IRL. Your image link is probably accustomed to displaying lots more complicated data than your smartlink, with fully-animated ads and the like abounding in spam zones.
Uhm...okay.  So his saying that a smartlink is a an upgrade to an image link is brilliant and reasonable, my analogy that a smartlink is an upgrade to image link, using modern day examples of different tiers of a theoretically similar piece of software, isn't "convincing."  

*shrugs*

Fair enough, I guess I can't win 'em all.   ;D

The part of the other poster's explanation that was convincing to me was the interface question, not the "smartlink as image link upgrade" bit. The interface thing really bothers me- with all the attention and detail they put into this aspect of the game, to simply hand-wave the issue of how smartlinks actually receive commands from the user is kinda a huge oversight.
To respond to your analogy, I feel that a more apt one would be: Your image link is like the video card in your computer. The smartlink is a little applet that lets you display on two monitors (or whatever). The video card does a million more things than the applet, even if the applet does one important thing that the card can't do on its own. My problem being, in a world where most people want to display on two monitors, there's no real reason not to build that functionality into the video card as standard, since it's well within the limits of its processing power.
Title: Re: Smartlink confusion
Post by: Chaemera on <11-19-10/1955:57>
Okay... Here's my explanation:

Image link is nothing more than displaying the Augmented Reality of the world around you onto your retina. The software behind it is a simple display interface and is as smart as your monitor's hardware on your computer.

Smartlink on goggles/glasses/contacts is an UPGRADE to an image link (you can't have Smartlink without it) and has a interface with your gun's Smartgun software to display a target reticule and the gun's information onto the lenses of the item. It uses Eye-Tracking (http://vimeo.com/6503448) software for you to interact with the gun's operation, making it so you look at and highlight the command "eject clip" to do things like that.

This is probably about as good of an explanation as I can hope for. The eye-tracking thing is a good way to go, although I wish they would have stated it directly somewhere. Thanks.

I think of it as a comparison between, say, MS Paint (image link) and a top of the line graphic art/image manipulation/whatever program (full on smartlink).  In theory and in broad concept, both do the same thing.  In practice, one is light years ahead of the other.

I might find this convincing if your smartlink provided a three-dimensional battle map with a ton of predictive information and AI-enhanced advice on what to do, like a TacNet. But it doesn't- it displays a targeting reticule, shows range and ammo count, and shows the expected trajectory for a target in motion. Not only is that not anything special in the year 2070, it's not anything special now, IRL. Your image link is probably accustomed to displaying lots more complicated data than your smartlink, with fully-animated ads and the like abounding in spam zones.
Uhm...okay.  So his saying that a smartlink is a an upgrade to an image link is brilliant and reasonable, my analogy that a smartlink is an upgrade to image link, using modern day examples of different tiers of a theoretically similar piece of software, isn't "convincing."  

*shrugs*

Fair enough, I guess I can't win 'em all.   ;D

The part of the other poster's explanation that was convincing to me was the interface question, not the "smartlink as image link upgrade" bit. The interface thing really bothers me- with all the attention and detail they put into this aspect of the game, to simply hand-wave the issue of how smartlinks actually receive commands from the user is kinda a huge oversight.
To respond to your analogy, I feel that a more apt one would be: Your image link is like the video card in your computer. The smartlink is a little applet that lets you display on two monitors (or whatever). The video card does a million more things than the applet, even if the applet does one important thing that the card can't do on its own. My problem being, in a world where most people want to display on two monitors, there's no real reason not to build that functionality into the video card as standard, since it's well within the limits of its processing power.

One word: MONEY.

If I can get you to buy two separate things for 100$ a piece, or one, single thing that integrates the two for 150$, then I'm going to sell you two separate things.

Also, since average-joe wage-slave doesn't want smartlink, it's not an accurate assessment to say you operate in a world where "most" people want it. It is a restricted item, by the way, you need a license (technically) to buy smartlinked glasses, you don't to buy imagelink.

Finally, when you use the book to buy piecemeal gear, do you really think you're necessarily buying it "in game" piecemeal? Perhaps, but you also might be buying the Gucci glasses with imagelink, image magnification and thermographic vision, standard. The game just hand-waves the fact that Gucci would charge you three times as much for the same product.