Searching for an Online game

If you did or did not know im taking a break from sprite comics and am doing what I used to do. Play Online games, but lately I haven't been able to find a good game to play. Anyone wanna recommend me to play any certain game?

Lists of Games I've already Played:
MapleStory [Will play when Pirate Class is released]
World Of Warcraft
Seal Online [Thinking of Playing again]
Gunz: The Duel
FlyFF
Mabinogi
Shaiya
Pirate Online
BYOND

Games I haven't played but are thinking to are:
SilkRoad Online
Linage II
Knight Online
Guild Wars

Games I am not Going to Play [100% sure]:
Runescape
Text Based Games

WORLD OF WARRCRAFT OR GUILD WARS!!! (Im the top lvl
on both of em, I love em )

Im thinking of Guild Wars, but im thinking of replaying Seal Online or playing Silk Road Online.

Still think you should play wow, we could go raiding together.