How did the Polls Do?

"While [Nate] Silver never did any of his own polling, he analyzed all the pollsters' findings and spit out every voting model possible. Ultimately, he said Obama would win by 52 percent to 46 percent. In the end, Obama won 52 percent to 46 percent in the popular vote."

http://news.yahoo.com/s/ynews/ynews_pl141

Here is another article on polling accuracy:
http://www.weeklystandard.com/weblogs/TWSFP/2008/11/pollsters_get_points_for_accur.asp