There needs to be more console MMOs. Before anyone is like "You need a keyboard for an MMO!" both the Xbox 360 and PS3 accepts keyboards and wouldn't be a problem for people to spend an extra $20 to get one if a console MMO came out.
The fear of most PC users is a console port. Many feel the game with be toned down to be playable on both. Not just with hardware specs, but a gui made for a controller.
The MMO I'm looking forward to is
Blade & Soul. Even though I may use a console controller for it, the specs are up there:
[Recommended]
CPU: Intel Quad core/AMD Phenom II X4 or better
RAM: 4G or better
VGA: nVidia Geforce 8800GTX / AMD Radeon HD4850 or better
HDD: 15GB
OS: Windows XP (Service pack 2), Vista, Win7 (64bit)
DirectX: 9.0c
IMO, Recommended specs = Playable. I'll have to upgrade my system before it comes out.
As for MMOs without turn based actions, it will give a huge advantage to those with low latency..alienating a huge base from feeling competitive. And will surely invite speedhacks.