Originally Posted by zander
To clarify: the problem we identified affects GeForce 8 series GPUs; future driver releases should resolve this problem. I don't believe we've been able to reproduce similar slowdowns with older GPUs.
This is definitely wrong. I had a geforce 6600gt, and now I have a 7300gt, and both of them are affected by these slowdowns after suspend.
The only thing that I found to avoid these slowdowns is setting hibernate scripts to switch to another vt before and after suspend.