Best RPG that I've played is the Baldur's Gate series (BG1 and BG2). Great storyline, great combat, great NPCs, just great overall.

The second best RPG I've played would probably be Divine Divinity. I was actually more addicted to DD than I was to BG2, but that could be because during the summer I can be addicted to a game without much consequences, whereas during the school year... <img src="/ubbthreads/images/graemlins/ouch.gif" alt="" /> <img src="/ubbthreads/images/graemlins/shame.gif" alt="" />