But Avid says...
How many of you are running one of these cards?
Which graphics cards have been qualified by Avid with Pro Tools 10.0 systems?
The following graphics cards have been tested and approved by Avid for use with systems with Pro Tools 10.0 software.
Supported Nvidia Graphics Cards
NVIDIA Quadro 4000 2GB PCIe video board
NVIDIA Quadro 2000 1GB PCIe video board
NVIDIA Quadro 600 1GB PCIe video board
NVIDIA Quadro FX 4800 1.5GB PCIe video board
NVIDIA Quadro FX 3800 1.5GB PCIe video board
NVIDIA Quadro FX 1800 768MB PCIe video board
NVIDIA Quadro FX 580 512MB PCIe video board
NVIDIA Quadro NVS 290 256MB PCIe video board
Window 8 should not be an issue with PT10, 2/3 tweaks and you are gold.