I have a couple:
My favorite Athens band, Legend Has It. They started off as a cover band, but they have put together a demo CD of 5 originals and 1 cover.
Their website:
Legend Has It
They're also on purevolume.com, if anyone checks that out.
Then a guy a went to high school with has a band too. I've never heard them in person(he's at Georgia Tech), but I've checked out their website and heard a few:
Poolstick Microphone