So it looks like the system requirements were released today! W00t!!
So here they are!
Ambient Occlusion: off
Depth of Field: on
Shadow Detail: Standard
Multisampling: 4x MSAA
Buffer Size: Window Size
Texture Quality: High
Texture Filtering: High
Os: Window 7 32/64 bit
Processor: Intel Core i7 (2.66GHz) or faster
Storage: Install=15gb Download=6gb
Video: Nvidia Gefore GTX 460 with 768 Vram or equivelant
Sound: Direct sound campatible sound card
Resolution: 1280x720 or higher
Looks to be some hefty specs, but what more did you expect from a game of this magnitude!!