I actually found SR at the local Gaming Store - just happened to have some money, and the cover art (this was the SR2 BBB) really caught my eye. Read the blurb on the back, flicked through and looked at some of the art, and thought to myself - "yeah, this looks cool!"
Two years later, I had a group of friends that wanted to get into (and back into, in some cases) some gaming, and I had just re-read the book again, so I thought I'd give it a shot. And then, of course, the purchasing of sourcebooks began...