Source : NVidiaNVidia unveiled new series of PCI-Express card not directly dedicated to 2D/3D display, but rather providing the raw power required for some specific computing task that can benefit from CUDA.
The card known as Tesla C1060 offers 240 streaming processor cores, 4 GB of GDDR3 RAM and scores respectively 933 and 78 GFlops in single and double precision floating point calculations.
If this card is currently not compatible with the Mac (OS or hardware), it might become one of the favorite friend of Mac Pro users as soon as Mac OS X Snow Leopard is released. Forthcoming Open CL might strongly benefit from such raw computing card. Of course, it has a price, around 1,500 USD. However, one could install several of them in the same computer if you have enough power to feed them. It is not possible