Seems to work fine in DX9, apart from the VSync setting is ignored, even in fullscreen. It's disabled whether I set it on or off. Perhaps that's intentional for testing purposes. There are a few shadow errors in OpenGL, but nothing major. Also there are a lot of artifacts rendered with offset mapping enabled, although not quite as bad as the screenshot above, but I guess you're aware of that. That's with both OpenGL and DX9, by the way.
But yes, a few glitches aside, it works fine on my 8600 GTS.
But yes, a few glitches aside, it works fine on my 8600 GTS.