Thinktechno.com

As said, here is the game demo of the first DX10 game of PC. The demo size is around 380MB only. The game supports Extreme High Definition of 2560×1600 resolution. The game is available for both DX9 & DX10.

So what are you waiting for, head to one of these sites to download
Fileplanet – DX9 version, DX10version
Megagames
Gamespot – DX9 Version, DX10 Version

Or just head on to your favorite sites to download.

Pranjal