EverQuest
World Of WarCraft
Linage II
Guild Wars
RO
FFXI


Guild Wars is the only one I could stand to play for any amount of time. have around 2,000 hours logged where as the rest I'd say I'd be lucky to have 50 hours logged in them all together xD
I'm waiting for GW2 and that'll be the only thing I play for a very long time lol