Maybe but it will also not be like 2008 which is what all the pollsters are assuming in creating their polling sample
Number of Republicans vs. Democrats Reaches Record High (Rasmussen) Aug ‘12 +4.3%, Nov ‘10 +1.3%, Nov ‘08 -7.6%, Nov ‘04 -1.6%
http://www.rasmussenreports.com/public_content/politics/mood_of_america/partisan_trends