This is a new game coming out. I've had a Beta invitation for a while now, The Beta starts soon. I haven't dug too much into it but I figure I'd share.
This one claims to have a dynamic world which is constantly growing and changing. It will also be a Pay to Play game.
One o the Trailers
Gameplay walk Through
Instances | Dynamic World | Classes | Races | Zones
Ascended Class System
MMOSite | Official Website