The Inquirer reports that nVIDIA are dishing out a new nForce 4 driver today, so if you have an NF4 board you may want to get hold of it.
Nvidia updated the audio driver to 4.60 (WHQL), Audio utilities to 4.51, Ethernet driver to 4.68 (WHQL), SMBus driver to 4.45 (WHQL), Installer to version 4.60 and IDE NVIDIA driver to 5.07 (WHQL).

We can add that the driver is WHQL certified and that it will support dual processor systems. Nvidia added support for its Disk Alert System and fixed some general compatibility problems.
[The Article] - [nVIDIA's Website]