With 96% of precincts reporting, incumbent Republican Senator Saxby Chambliss is under the threshold of 50% plus one needed to avoid a December 2nd run-off with Democrat Jim Martin.
Saxby Chambliss (R) - 1,777,769 (49.8%)
Jim Martin (D) - 1,671,932 (46.8%)
Allen Buckley (L) - 121,862 (3.4%)
Totals - 3,571,563
Source: Georgia Secretary of State, "Unofficial And Incomplete Results of the Tuesday, November 04, 2008 General Election", November 5, 2008
It appears as if Jim Martin may have forced Saxby Chambliss into overtime, but it may be days before we know for sure.