This link is to 2008 Electoral College models of Obama and Clinton vs. McCain in the general. And polling data on the topic is here.

Wyoming Obama loses to McCain 35% to 54% Clinton loses to McCain 28% to 61%

Wisconsin Obama loses to McCain 43% to 47% Clinton loses to McCain 43% to 47%

West Virginia Obama loses to McCain 35% to 53% Clinton beats McCain 47% to 42%

Washington Obama beats McCain 53% to 40% Clinton beats McCain 48% to 45%

Virginia Obama loses to McCain 44% to 47% Clinton loses to McCain 41% to 47%

Vermont Obama beats McCain 63% to 29% Clinton beats McCain 49% to 39%

Vermont Obama beats McCain 63% to 29% Clinton beats McCain 49% to 39%

Utah Obama loses to McCain 39% to 50% Clinton loses to McCain 27% to 65%

Texas Obama loses to McCain 41% to 50% Clinton loses to McCain 41% to 51%

Tennessee Obama loses to McCain 31% to 58% Clinton loses to McCain 38% to 52%

South Dakota Obama loses to McCain 34% to 51% Clinton loses to McCain 30% to 59%

South Carolina Obama loses to McCain 45% to 48% Clinton loses to McCain 42% to 48%

Rhode Island Obama beats McCain 53% to 38% Clinton beats McCain 54% to 37%

Rhode Island Obama beats McCain 53% to 38% Clinton beats McCain 54% to 37%

Pennsylvania Obama beats McCain 46% to 39% Clinton beats McCain 49% to 38%

Oregon Obama beats McCain 52% to 38% Clinton beats McCain 46% to 40%

Oklahoma Obama loses to McCain 34% to 57% Clinton loses to McCain 42% to 50%

Ohio Obama loses to McCain 42% to 43% Clinton beats McCain 48% to 38%

North Dakota Obama loses to McCain 38% to 44% Clinton loses to McCain 33% to 53%

North Carolina Obama loses to McCain 45% to 48% Clinton loses to McCain 40% to 43%

New York Obama beats McCain 52% to 35% Clinton beats McCain 60% to 31%

New Mexico Obama loses to McCain 45% to 46% Clinton loses to McCain 45% to 48%

New Jersey Obama beats McCain 56% to 32% Clinton beats McCain 52% to 38%

New Jersey Obama beats McCain 56% to 32% Clinton beats McCain 52% to 38%

New Hampshire Obama loses to McCain 42% to 50% Clinton loses to McCain 44% to 47%

New Hampshire Obama loses to McCain 42% to 50% Clinton loses to McCain 44% to 47%

Nevada Obama loses to McCain 43% to 48% Clinton loses to McCain 38% to 49%

Nebraska Obama loses to McCain 42% to 45% Clinton loses to McCain 30% to 57%

Montana Obama loses to McCain 43% to 48% Clinton loses to McCain 36% to 54%

Missouri Obama loses to McCain 41% to 47% Clinton loses to McCain 43% to 45%

Mississippi Obama loses to McCain 41% to 54% Clinton loses to McCain 42% to 51%

Minnesota Obama beats McCain 52% to 38% Clinton beats McCain 47% to 42%

Michigan Obama loses to McCain 44% to 45% Clinton ties McCain 44% to 44%

Massachusetts Obama beats McCain 51% to 39% Clinton beats McCain 55% to 36%

Massachusetts Obama beats McCain 51% to 39% Clinton beats McCain 55% to 36%

Maryland Obama beats McCain 52% to 39% Clinton beats McCain 48% to 40%

Maryland Obama beats McCain 52% to 39% Clinton beats McCain 48% to 40%

Maine Obama beats McCain 49% to 39% Clinton beats McCain 47% to 42%

Louisiana Obama loses to McCain 41% to 52% Clinton loses to McCain 36% to 58%

Kentucky Obama loses to McCain 33% to 58% Clinton loses to McCain 41% to 53%

Kansas Obama loses to McCain 37% to 54% Clinton loses to McCain 36% to 57%

Iowa Obama beats McCain 49% to 41% Clinton beats McCain 43% to 42%

Indiana Obama ties McCain 46% to 46% Clinton loses to McCain 44% to 49%

Illinois Obama beats McCain 60% to 31% Clinton beats McCain 48% to 37%

Idaho Obama loses to McCain 39% to 52% Clinton loses to McCain 27% to 63%

Hawaii Obama beats McCain 61% to 31% Clinton beats McCain 43% to 39%

Georgia Obama loses to McCain 39% to 53% Clinton loses to McCain 37% to 48%

Florida Obama loses to McCain 43% to 44% Clinton beats McCain 49% to 41%

Delaware Obama beats McCain 50% to 41% Clinton beats McCain 46% to 41%

Delaware Obama beats McCain 50% to 41% Clinton beats McCain 46% to 41%

D.C. Obama beats McCain 90% to 9% Clinton beats McCain 90% to 9%

D.C. Obama beats McCain 90% to 9% Clinton beats McCain 90% to 9%

Connecticut Obama beats McCain 52% to 35% Clinton beats McCain 45% to 42%

Connecticut Obama beats McCain 52% to 35% Clinton beats McCain 45% to 42%

Colorado Obama beats McCain 46% to 43% Clinton loses to McCain 36% to 50%

California Obama beats McCain 50% to 43% Clinton beats McCain 50% to 41%

Arkansas Obama loses to McCain 30% to 59% Clinton loses to McCain 43% to 50%

Arizona Obama loses to McCain 38% to 47% Clinton loses to McCain 37% to 53%

Alaska Obama loses to McCain 43% to 48% Clinton loses to McCain 32% to 57%

Alabama Obama loses to McCain 36% to 55% Clinton loses to McCain 36% to 55%