3 words, Counter-Strike Source. Also, Guild Wars isn't a MMO. It's a different genre. While WoW is mere grinding, Guild Wars is more dependent on PvP and the collaboration of skills. Don't judge things until you do research or at least have a vague idea of which.
Fact -

WoW is the leading cause of overweight Americans.

hahah That isn't actually true to any gullible people out there. WoW charges $50 on purchase and then $15 per month to play online.

People buy the game.
People waste there money on the game.
People need job so they can still play.
People can't play because they have a job.

It's a vicious cycle.