Ok, I decided to give it a try and I made 3.0 without changing any voltage. I'm very happy with this. The temps seem to be at about the max I want to go:
Ambient - 26 (I think I was exaggerating with 33, but I can see it going to 29, 30)
Prime 95 Load:
CPU - 61
Core 1 - 65
Core 2 - 65
Core 3...