Like Begala said (I know it's Begala, but anyway) - there's hundreds of thousands of absantee ballots Florida wasn't expecting.
He projected they may take until Thursday (the deadline) to count them all.
By all accounts (since you get the ballots through parties), Bush has a roughly 100,000 - 150,000 vote advantage with absentee.
-=Mike
and CNN just said a Florida judge ordered the absentee ballots will *not* be counted tonight due to republican challenges