PS2 all the way. Currently playing:
GTA - San Andreas. Best d*** game ever.
I also love GTA III, Muppet's Party Cruise, playin' "Medal of Honor - Rising Sun" with my buds on multiplayer, and the Eye Toy.
Best games of all time:
GTA San Andreas (PS2)
GTA III (PS2)
Mega Man X (PS1)
Super Mario World (SNES)
Lode Runner (NES)
Street Fighter Alpha 3 (PS1)
Sonic Adventure (Dreamcast)
Teenage Mutant Ninja Turtles the Arcade Game (NES)
Bomber-Man (NES)
Spider-Man 2 (PS2)
Golden Eye (N64)
Aw man, there's too many to list.