@realjohnboy,
												Ask and ye shall receive.
Senate Seats up for Election:
Dark blue -  Two Democratic incumbents
Medium blue -  Democratic incumbent
Light Blue -  Retiring Democrat  
Dark red - Republican incumbent  
Light red -  Retiring Republican 
Grey -  No election
Of course, every single House seat is up for election.
More data for ya:
Quote:# 2 Overview of races
    * 2.1 Retiring Democratic Senators
          o 2.1.1 Roland Burris of Illinois
          o 2.1.2 Ted Kaufman of Delaware
    * 2.2 Retiring Republican Senators
          o 2.2.1 Kit Bond of Missouri
          o 2.2.2 Sam Brownback of Kansas
          o 2.2.3 Jim Bunning of Kentucky
          o 2.2.4 Judd Gregg of New Hampshire
          o 2.2.5 George LeMieux of Florida
          o 2.2.6 George Voinovich of Ohio
    * 2.3 Democratic incumbents
          o 2.3.1 Blanche Lincoln of Arkansas
          o 2.3.2 Barbara Boxer of California
          o 2.3.3 Michael Bennet of Colorado
          o 2.3.4 Christopher Dodd of Connecticut
          o 2.3.5 Daniel Inouye of Hawaii
          o 2.3.6 Evan Bayh of Indiana
          o 2.3.7 Barbara Mikulski of Maryland
          o 2.3.8 Harry Reid of Nevada
          o 2.3.9 Kirsten Gillibrand of New York
          o 2.3.10 Chuck Schumer of New York
          o 2.3.11 Byron Dorgan of North Dakota
          o 2.3.12 Ron Wyden of Oregon
          o 2.3.13 Arlen Specter of Pennsylvania
          o 2.3.14 Patrick Leahy of Vermont
          o 2.3.15 Patty Murray of Washington
          o 2.3.16 Russ Feingold of Wisconsin
    * 2.4 Republican incumbents
          o 2.4.1 Richard Shelby of Alabama
          o 2.4.2 Lisa Murkowski of Alaska
          o 2.4.3 John McCain of Arizona
          o 2.4.4 Johnny Isakson of Georgia
          o 2.4.5 Mike Crapo of Idaho
          o 2.4.6 Chuck Grassley of Iowa
          o 2.4.7 David Vitter of Louisiana
          o 2.4.8 Richard Burr of North Carolina
          o 2.4.9 Tom Coburn of Oklahoma
          o 2.4.10 Jim DeMint of South Carolina
          o 2.4.11 John Thune of South Dakota
          o 2.4.12 Bob Bennett of Utah
 
In the House,
Quote:
Retiring incumbents
At this point in time, 18 U.S. Representatives are voluntarily retiring from the House at the end of their current term.
 Democratic incumbents
    * Alabama's 7th congressional district: Artur Davis: To run for governor of Alabama.[8]
    * Florida's 17th congressional district: Kendrick Meek: To run for the U.S. Senate.[9]
    * Hawaii's 1st congressional district: Neil Abercrombie: To run for governor of Hawaii.[10]
    * Louisiana's 3rd congressional district: Charlie Melancon: To run for the U.S. Senate.[11]
    * New Hampshire's 2nd congressional district: Paul Hodes: To run for the U.S. Senate.[12]
    * Pennsylvania's 7th congressional district: Joe Sestak: To run for the U.S. Senate.[13]
 Republican incumbents
    * Delaware's At-large congressional district: Michael Castle: To run for U.S. Senate.[14]
    * Florida's 12th congressional district: Adam Putnam: To run for Florida Commissioner of Agriculture.[15]
    * Georgia's 9th congressional district: Nathan Deal: To run for governor of Georgia.[16]
    * Illinois's 10th congressional district: Mark Kirk: To run for U.S. Senate.[17]
    * Kansas's 1st congressional district: Jerry Moran: To run for the U.S. Senate.[18]
    * Kansas's 4th congressional district: Todd Tiahrt: To run for the U.S. Senate.[19]
    * Michigan's 2nd congressional district: Pete Hoekstra: To run for governor of Michigan.[20]
    * Missouri's 7th congressional district: Roy Blunt: To run for the U.S. Senate.[21]
    * Oklahoma's 5th congressional district: Mary Fallin: To run for governor of Oklahoma.[22]
    * Pennsylvania's 6th congressional district: Jim Gerlach: To run for governor of Pennsylvania.[23]
    * South Carolina's 3rd congressional district: Gresham Barrett: To run for governor of South Carolina.[24]
    * Tennessee's 3rd congressional district: Zach Wamp: To run for governor of Tennessee.[25]
 
Cycloptichorn