A new version of the Geforce Tweak Utility is available

This program lets you make a lot of modifications to the registry settings of your Geforce. See the screen shot to get an idea of what you can tweak.

This program works with the NVidia reference drivers: version 5.08 and later,
ASUS drivers: the 5.16 or later drivers or,
ELSA drivers: the latest drivers are based on the 5.xx NVidia drivers.

Get it from TweakFiles