Lets be honest this election is 80% about whether or not John McCain can win Ohio and Virginia. The next 20% is about McCain either winning Colorado or Michigan. Under some certain circumstances New Hampshire is extremely important because a tie goes to Mr. Obama and it could be a tie breaker. Because of the nature of the campaign I believe Obama is and should be more focused on winning more than enough states to get the 270.
This means McCain has been smart in his travels. My only complaint would be more trips to Virginia and Colorado. I am of the belief that Michigan is a more likely McCain state than Wisconsin or Oregon. Either of which could replace Michigan as the Blue state McCain can pick off.
McCain most important states...
In my opinion...