Its fast enough and screen capture must even be sucking some fps...
I have an 8800 GTS, you can see how it works for me in the YouTube video I posted above.
Maybe Maximus3D is stuck in the "twilight zone" or something..
Maximus3d:Can you post one of your meshes?Its the only thing that hasnt been tested yet.
Phil could try it and see how it works using exact same build,with same graphic card and same mesh.