NVIDIA has announced a commitment with the Linux crowd and has posted new drivers in their website:
[COLOR=royalblue]NVIDIA today released new Linux drivers version 1.0-4349 that includes support for NVIDIA GeForce FX and NVIDIA Quadro FX graphics solutions, as well as the new Red Hat 9.0 and Mandrake 9.1 distributions.[/COLOR]

Also, latest Windows Detonators v43.45 seem to be getting a lot of press, the Firingsquad has posted a Detonator drivers comparison looking at performance of this driver with video cards ranging all the way back to GeForce2 MX.