About smoothness, some answers can already be found on the net. If u go there: http://www.twcenter.net/forums/showthread.php?t=67534

"Graphics first: They lag less, and the camera works much more fluently than in the demo."

I'm actually happy about it cause even with a 7800GS, i had some lag at 1280x1024 resolution. Hopefully, it will be more enjoyable with the final product.