I guess I'm an xbox man. Although in general I'm an RPG man (thus PS2 fan), the sheer processing power of the xbox along with the best ever controller design just makes me turn to it over and over again. When I have a choice, I get the xbox version and in general prefer that console.
Plus having it *cough* *cough* modded *cough* really expands the gaming possibility.
(in my defense, between my NES, my roommate's SNES, and my other roommate's Atari 2600, we do a decent job of covering the emulation on the xbox)(...pretty good )