Update (if anyone cares).
The new board came in Thursday.
Seems to be a slight bit quicker then the old one (with same clock), but it's also a fresh install on a WD 640 Black, so that may have something to do with it.
Have an RMA on the old board, and am sending it back tomorrow.
Once I determined that the problem was the board, I ordered a new one, and contacted Gigabyte in the meantime.
As far as what I did while the box was down, I have 2 more towers and a laptop-just couldn't game is all.
I will have an additional board once I get the RMA, but I probably already have it sold (friend wants to migrate up from sckt 478 and AGP).