What will be the next PS3 exclusive to push as much hardware sales as mgs4?

[DragonLord]

Final Fantasy XIII will probably push as much hardware in Japan as MGS4 did worldwide.  Gran Turismo will definitely push a lot of hardware in Europe and Japan.  God of War III should move a lot of hardware in the US.  And FF versus will probably push a lot of hardware too, but who knows when that's coming.