I am thinking that the 7950GX2 is a little too high on the list... Nice list none-the-less
VGA Charts | Tom's Hardware
I think they forgot to enable SLI when they tested 7950GX2, because 7950GX2 was not even able to outperform 7900GT.
Here is more reliable benchmark
Nvidia's GeForce 8800 graphics processor - The Tech Report - Page 14
7950GX2 can beat 8800GTS in some cases