I don't think I'll be voting in 2012. In 2008, I voted for Obama, and I don't think he's done that bad of a job, certainly a lot better than Bush did, so I see no reason why he won't be re-elected. And I certainly don't see any other candidate doing any better from the pool of Republicans, so I'll just say that Obama is still the best choice from what we have to choose from.
But the President doesn't have nearly as much power as is projected. He's got tons of people telling him what to do, what not to do, and even has his speeches written for him. He is simply what they call in the business, "the empty suit." 95% of presidents are figureheads for the corporate and secret agendas, so the election stuff they shuffle around every four years is utter garbage. Pretty much the same thing is going to happen no matter who is in the White House. There truly is only one party, not two. The two-party system is to keep us divided instead of together. There's one guy holding the two puppets, so who you vote for is largely a choice between Pepsi and Coke.