Well, that also is saying that he uses an Olympic bar, 45 pounds, Adrena. My home gym doesn't use it, which is why I stated that. Either way, I see 2.5 pound weights all the time.
I started lifting my Freshman year in college. Me and my roommate were both 145-150 pound twerps... Think about it, being 6'2 and weighing 145 pounds is pretty pussy if you ask me. After Freshman year, I bumped my weight up to 190, but now I'm at a steady 185ish area. I was up to over 205 at one point, but not cut at all, so I started running and doing sit-ups and whatnot, so I'm now a lot more cut and mean looking.
I don't lift all that much, but I'm moderately strong. I can bench 2 plates (225) about 6 times on my own, then need help to finish out my set of 10. Anyway, at first I went for bulk, and now that I'm not a little twat anymore, I'm going for definition and strength. Its going pretty good too.