you can download - http://www.nvidia.com/object/cool_stuff.html#/demos/2116 gt200 is required?! no need. loool but it's recommended, geforce 8 (g80 work!) series is required and fermi as gtx4x0 is optimized. I tested 9800gt and work!! but it's too slow. these 2 screens (450x384 and 500x400 but I don't remember resolutions) here was rendered by my videocard.