HERE IS WHO IS UP FOR Election in in 2010 from usually Red State
http://www.electoral-vote.com/evp2009/Senate/senate_races.html
Blanche Lincoln (D) Arkansas
Michael Bennet (D) Colorado
Evan Bayh (D) Indiana
Byron Dorgan (D) North Dakota
If you call anyway, tell his office drones you'll contribute the maximum to any of his opponents, primary and general.