NVIDIA launched the new ForceWare 77.77 drivers together with the GeForce 7800 GT. These new ForceWare drivers add support for the new GeForce 7800 GT and some other small improvements. Here's a look at featurelist:
Support for GeForce 7800 GT
SLI support for GeForce 6600 and GeForce 6600 LE
New SLI rendering mode (SLI Antialiasing) for increased antialiasing performance
Broader SLI optimizations and validation for the latest games
Resolved SLI Antialiasing issues with some applications and generating screen shots. For a full list of other issues resolved, please view the driver release notes.