I love polls, and I would suspect most, if not all, campaigns spend a lot of $$ on polling. Karl Rove believes very strongly in poll data. Here is a sample of a Karl Rove poll .....
Karl Rove's Early Electoral Map: OBAMA WINS - Business Insider
Here's another interesting tidbit .....
RealClearPolitics - 2012 Election Maps - Battle for White House
This is also quite interesting .....
Electoral-vote.com: President, Senate polls Updated Daily