evga_gtx285_macJust saw this come in from EVGA, their new GTX285 For the Mac is ready to go.

EVGA is proud to announce the highest performing graphics card for the Mac today; the EVGA GTX 285 Mac Edition! With 1GB of DDR3 memory and 240 processing cores, your performance is maximized with graphics-intensive applications like 3D gaming, motion graphics, 3D modeling, rendering and animation. Take full advantage of the performance using NVIDIA CUDA and OpenGL applications. Upgrade your Mac Pro system with the EVGA GTX 285 Mac Edition today for extreme performance!

Sale price seems to be in the $449 range, available at Newegg and others.

via EVGA | Articles | EVGA GTX 285 Mac Edition.