Well, for anyone who agrees or disagrees, you can bet on the outcome. Current Intrade odds for the Republicans taking control of the House are 48% v 52% for the Dems retaining control. The odds of the GOP taking control of the Senate are currently about 15%.
Intrade Prediction Markets
If the center was truly seething with anger, I would expect those numbers for the GOP to be higher.
Regardless of what Indes are thinking of healthcare reform, they aren't running to Rs with open arms.
I think they want to hire moderates now.