Anyway, I spoke to MSI and they gave me V2.0 Beta6 which unlocked all the goodies. This let us increase the voltage on the Core, Memory and AUX; the three things we can monitor with the included cables.
It also let us go above the standard 1.087v max limit that is imposed by the normal Afterburner on other cards. Instead it let us go to +.2v. MSI actually told us that each GTX 460 has a bit of fluctuation when it comes to the default core clock. The particular one we had came at 1.062v which was on the higher side of things, so +200mv gave us 1.262v; much higher than the standard 1.087v limit that we're used to seeing.