chambliss has fallen below 50%, and is probably headed for a runoff.
This might not be a bad thing.
A run-off would given an indication of the strength of "buyer's remorse" regarding the Big Zero; if it's there, or if it's not there.
I believe this happened one other time in Georgia, in 1992, I think, and it portended all was not well with the recent victory of the Impeached One.
Otherwise, we have to wait for the off-year elections of 2009, of which there's quite a few as compared with 2007.