I've just installed Nforce 81.95 drivers and benchmarked it vs. 81.85. The new driver is a little bit fast , at least it's not slower 
Tested with a 7800gtx.
Tested with a 7800gtx.2005-12-13 00:21:29 - LFS Nforce 81.85
Frames: 7419 - Time: 103547ms - Avg: 71.648 - Min: 48 - Max: 111
2005-12-13 00:31:31 - LFS Nforce 81.95
Frames: 7552 - Time: 103641ms - Avg: 72.866 - Min: 48 - Max: 113