pc or xbox or ps2

Does anyone play online?? PC Games = MMO (massive mulitiplayer online)RPG (Role Playing Games) Games.. Guild Wars,World of Warcraft etc.. XBOX LIVE = HALO2 , Doom3 , Phantasy Star Online , etc.. PS2 Network Adapter = XIII , Mortal Kombat Deception , Final Fantasy XI etc.. If so...When do...