Diablo was awesome, Diablo II rocked its world. Each act in D2 is the size of the entire game in the first one. That's just awesome.
You guys heard of Fable, which was at first going to be titled Project Ego? It's only for the XBox, but I think it looks to be the best game ever to date. I really can't explain it, and I haven't been able to find anything good online. Read the article in this month's XBox Magazine to see what it's about.