If I had to vote today, my choice would be Ron Paul. About time we had a candidate that is actually serious about reducing government to its Constitutional constraints. I think he'd use up a case of veto pens in his first year in office.
Second choice would be Herman Cain.
As to the others, wake me up when it's over. More of the same that got us where we are.
Ron Paul would be a disaster on foreign policy and especially, Israel. Nope, no way for me would I or could I ever vote for him.