I think this driver is fine.. Fixed some stuttering issues with FarCry for me.
I wouldn't go for the 71.20 yet, because it's not completely done, it handles better with DX 9 applications but can reduce performance on DX 8 applications. (Among the improved FPS are HL2 /doom 3 but still not something to jump onto)
If you want to try the 71.20 go ahead and have fun, but I think I'll keep my 67.02 for now. :thumbup:
For more info on the 71.20 driver and feedback visit THIS link.