[wireframe]

I'm a bit late on the trigger here, but it still hasn't been posted so I figured I'd just throw it in here as a late heads-up. Note that as of the time of posting only the IA32 and AMD64/EM64T (what I still call x86 and X86_64, respectively) GNU/Linux drivers have been updated with these new features and fixes. However, I am sure these are the ones that matter most.

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Originally Posted by Nvidia ForceWare 81.74 x86/x86_64 Changelog

*Fixed GeForce 7800 GTX clocking problem that affected 3D performance.
*Added support for NVIDIA SLI. Please see the README for details.
*Added a new utility 'nvidia-xconfig', which is a commandline tool for updating X configuration files.
*Added support for new GeForce 6100, GeForce 6150 and GeForce 7800 GTX 512.
*Added manpages for 'nvidia-xconfig', 'nvidia-settings', and 'nvidia-installer'.
*Made UseEdidFreqs "on" by default; the NVIDIA X driver will use the valid HorizSync and *VertRefresh frequency ranges from the EDID whenever possible.
*Added support for Stereo Digital Flat Panels such as the SeeReal and Sharp3D DFPs.
*Added HTML version of the README.
*Added support for static Rotation; see the "Rotate" X config option in the README.
*Improved stability on 64-bit Linux 2.6 kernels.
*Fixed driver installation when SELinux is enabled.

My bolding on highlights I felt may be most important.