At present:
Chambliss
(R) 5,996
Martin
(D) 2,800
http://edition.cnn.com/ELECTION/2008/results/individual/#mapSGA
CNN covering it too.
Chambliss 68.3%
Martin 31.7%
http://exposingtheleft.blogspot.com/2008/12/chamblissmartin-runoff-live-thread.html