A sampling...

• Colorado: Obama 47%, McCain 46% (source)
• Florida: McCain 50%, Obama 43% (source)
• Michigan: Obama 51%, McCain 46% (source)
• Missouri: McCain 50%, Obama 45% (source)
• New Mexico: McCain 49%, Obama 47% (source)
• Ohio: Obama 49%, McCain 44% (source)
• Pennsylvania: Obama 48%, McCain 45% (source)
• Virginia: McCain 50%, Obama 46% (source)
• Wisconsin: Obama 46%, McCain 43% (source)

(The most recent poll for Tennessee has McCain at 56% v. Obama 32%. McCain has a 63% favorable v. Obama 39%. 57% say the U.S. is winning the War on Terror. Bush has a 40% job approval rating. Rasmussen says Tennessee is 99.5% certain for McCain. This was taken before Palin.)