AMD vs. Intel, Mac vs. PC, Nvidia vs. ATI, Linux vs. Windows... it all comes down to personal preference. Which games do you play, which controller do you like, do you want to mod the hell out of it, etc. Personally I'd probably get a PS2 because it's got more games. IMO the Xbox is by far the best console, but all the Xbox exclusives eventually come out for PC anyways so why bother.