nVidia 6800GT 256MB (30-40fps):
Shadow Options - LOW
Texture Resolutions - MEDIUM
Normal Mapped Terrain - OFF
Point Light Shadows - OFF
Softer Shadows - OFF
Character Shadow Map Size - 1024
High Res. Env. Shadow Map - 2048
Low Res. Env. Shadow Map - 2048
Bloom Effects - ON
Enable Light Sources From Part Members - ON
Texture Minification Filtering - ANISOTROPIC
Texture Magnification Filtering - POINT
Mip-map Filtering - POINT
Maximum Texture Anisotropy - LOW
Water Reflections - OFF
Water Refraction - OFF