NVIDIA has just published the first WHQL-certified driver of the R300 family and it supports all GeForce cards (GeForce 6 to the latest GTX 670). R301.42 comes with bugfixes and the support of 4-way GTX 670 SLI. More details in this article: NVIDIA GeForce 301.42 WHQL Drivers Add Major Gaming Features & Boost Skyrim Performance By Up To 20%.
R301.42 Downloads Links – Desktops
R301.42 Downloads Links – Notebooks
R301.42 is an OpenGL 4.2 driver and exposes the same OpenGL extensions (294 extensions) than R301.24.