So since GW2 is not a subscription based MMO it frees up money for players to spend on their current favorite subscription based MMO's allowing people to play both or more!
What are you going to play?
(There is no none option, the poll is for people who will play other mmos with GW2)
Trailers of some MMO's:
The Secret World
Star Wars
Rift
Tera
Aion
Final Fantasy XIV
FireFall
PlanetSide 2
Blade and Soul