Guild Wars 2 - which isn''t out yet so you will have to wait.
I tried Rift and it is terrible. It is like WoW with a cool class system at first, but then you find out how bad it is and how boring the combat and Rifts are.
People saying Guild Wars 2 isn't an open world need to start looking up information and state facts. It is an open world, just because GW1 wasn't doesn't mean you need to be assuming things. The only thing that is instanced are dungeons and personal…