OpenIndiana Distribution

The newer Nvidia 260.19.29 driver adds support for the newer professional Quadro GFX cards such as:

?Quadro 5000M
?NVS 300
?Geforce 500 Series
?Quadro 2000
?Quadro 600

Fixed a bug that prevented XvMC from initializing in most cases.
Added support for xorg-server video driver ABI version 8, which will be included in the upcoming xorg-server-1.9 series of releases.
Fixed a bug that caused extremely slow rendering of OpenGL applications on X screens other than screen 0 when using a compositing manager.
Fixed a regression introduced after 256.35 that caused stability problems on GPUs such as GeForce GT 240.
Fixed a slow kernel virtual address space leak observed whenstarting and stopping OpenGL, CUDA, or VDPAU applications.
Fixed a bug that left the system susceptible to hangs when running two or more VDPAU applications simultaneously.
Fixed a bug in VDPAU that could cause a "display preemption" when toggling MPlayer to full-screen the first time.
Added OpenGL 4.1 support for Quadro Fermi, GeForce GTX 4xx, and later GPUs.
Enhanced VDPAU to fully support Xinerama.
Fixed a bug in the X driver that prevented operation of Xinerama when using multiple NVIDIA GPUs from different major hardware generations on X with ABI 4 or greater.
Fixed a bug in the OpenGL driver's Xinerama support.

And support for existing Nvidia graphic cards listed here:
http://www.nvidia.com/object/solaris-display-260.19.29-driver.html