ATI'S R600 GPU features a number of innovations and improvements that are interesting, to say the least.
First of all, you need to know that this PCB (Printed Circuit Board) is the most expensive one that the graphics chip firm has ever ordered.
Did we mention two gigabytes of video memory? Yup, insane - though perhaps not in the professional world, where this 2GB board will compete against upcoming G80GL and its 0.77/1.5GB of video memory. We do not expect that R600 with 2GB will exist in any other form than in FireGL series, but the final call hasn't been made yet.
http://www.theinquirer.net/default.aspx?article=35708
8800GTX = Owned, if you all don't know what the R600 core is... It's the new ATI DX10 Shader model 4.0 chip