I'm sorry, I'm kinda a newbie to building comps. I just bought a Shuttle AK31 Rev. 2.0 a week before I heard about the Rev. 3.1. I waited to buy a processor, cause I heard about the XP coming out. I was wondering, would my Shuttle Rev. 2.0 work with an Athlon XP 1600. I'd apreciate any replies. Thanks.