Dirt 2 - DX11 - Max Settings

This is a video displaying Dirt 2 running DX11 on max settings. My system's specs are:
Core i7 920 running @ 4.2ghz with 4.12 v
Coolermaster V8 Heatsync
Crossfire 5870s running at stock speeds
12 GB DDR3 Ram @ 1603 mhz
Corsair 750 watt power supply