which is the best online game you have ever played?

Half-Life 1 DM was my favorite years ago..

Quake, HL2, TF1 & 2, Ultima Online, EverQuest, WOW... sheesh, too many to list, would have to vote Quake 1!!!! the one and only! :)

Cs 1.6 !

Fifa 08

Cs 1.6,SOF

Counter Strike Source and maybe CoD 4.