So that's worked for you, at STR 2-3? I just would never consider doing that.
AGI is clearly a more valuable attribute (hits to actually land the attack, net hits add to damage), where STR just modifies the DV. But even with that said, I personally wouldn't think to do a melee-heavy build at low STR, because while STR is less valuable than AGI, it still has some value.
Yeah, worked fine for me. Just remember that you're a MAGE. If you're a combat mage, then there are easy ways to modify that damage, and throw much needed points to more critical things. Element Aura spells, weapon foci, spirit possession, and more. Plenty of tricks there. STR 3 (as a human or elf) is really the highest I'd go for that kind of build. Gives you decent base damage, but doesn't pull too many points from other things. I've done this with mages, mystic adepts, and adepts. AGI 4, Blades (Swords) 6(+2), Weapon Focus, Reach, and so on, you can get 15+ dice easy. Also using Increase Reflexes on a Sustaining Focus. Swords and sorcery is a kick-ass combo, if you play it right. But then, I also am a big fan of the concept that "if you're not cheating, you're not trying". Anything you can find that adds elemental damage to your attacks (for that nice extra AP and secondary effects) is awesome. Debuffs like Euphoria or Agony that hinder your foes make melee easier. Simply combining ultrasound sensors and thermal smoke grenades (yes, you can't cast on things you 'see' with sensors, but you can still hit them) makes things even nastier. Improved Invisibility? Silence? Awesome! The key to being a magic swordsman is not in being the best mage or the best swordsman, but in being able to flexibly use both interchangeably and together to the best effect.
It is the same as when playing football. There are teams known for their passing game, and teams known for running it straight into your teeth every play to wear you down. Both are great strategies, but the most dangerous teams are the ones that can run or pass equally well, so that you never know what's coming next.