The 2008 Election saw the use of many forms of Smart Maps. Here are a few of the interesting ones:

Maps of the 2008 US presidential election results Thanks to Kathy Howell for the link..be sure to scroll down as they get quite interesting

270toWin.com Interactive, you change the color of the state map

NPR Election Map Nice with tabs for president/senate/house/governor

ODT's 2008 Presidential Election Map Compares results to population, nice grid analysis