Nvidia have released new drivers for Mac Pros running OSX 10.8.3
These drivers support the following cards as standard:
GeForce 600 series:
GTX 680 for Mac
GeForce 200 series:
GTX 285 for Mac
GeForce 100 series:
GT 120
GeForce 8 series:
8800 GT
Quadro series:
K5000 for Mac, 4000 for Mac
Quadro FX series:
FX 5600, FX 4800 for Mac
GTX 680 for Mac
GeForce 200 series:
GTX 285 for Mac
GeForce 100 series:
GT 120
GeForce 8 series:
8800 GT
Quadro series:
K5000 for Mac, 4000 for Mac
Quadro FX series:
FX 5600, FX 4800 for Mac
They should also support GTX 600 series PC cards but I have not had a chance to install them yet.
Apparently support for the Titan and the GTX 700 series cards should be coming in 10.8.4 which is currently in beta.
More information and download from Nvidias site here
