Why do you all think that the r600 is bad, the new 7.6 cats have shown its getting faster every time, it may even be a competitor to the 8800GTX.
With no AA, it might even be faster than a 8800 Ultra, in most resolutions, but when AA is on, performance is very poor. This is not good at all, for a high-end card and that's one of the reasons why this iteration of R600, is a complete failure.