Running my 5700U at 535/1.03, I am more than satisfied with it on this rig. It will do fine as a tide over til the NV40.
It puts up great image quality and more than playable frame rates in all the games I own, including Max Payne II...
__________________Intel Core i7 920 @ 3.96GHz (1.36v)|Mushkin 998681 XP3-12800 (3x2GB)
ASUS TUF Sabertooth (X58)|ASUS GTX 580 DirectCU II (980|4604)|ASUS PA246Q
WD VelociRaptor 150GB HD (x2)|Pioneer DVR-2920Q|LG GH22LS30|Klipsch PM20 2.0
SilverStone OP1000-E|SilverStone TJ10-B|Thermalright U-120 Extreme|Win 7 HP x64