Only played the first 30 minutes or so but so far it runs really well.
- Win 7 64 Bits
- Core i5 760 2.8GHz
- GTX 460 1GB
- 4GB RAM
Using those settings:
It's essentially everything maxed out save for the MSAA off. It runs really well. Maybe not a consistent 60FPS but never drops below 30.
Also if someone can explain the difference between SSAO and HDAO, it'd be appreciated.