Well, it required 1.45v vCore, 1.5v VTT, 1.6v PLL, and 1.7v NB. I couldn't do much aside from doing a quick SuperPI 1M and a validate link.
3.80GHz requires 1.344v idle and 1.312v load for me. It's rock solid from then on at 3.80GHz, though, so I guess this is my golden state.