Is Superman back at PreCrisis power levels again? Because if he is, then I'd have to say that Superman would pwn Hulk, simply because PreCrisis Supes could juggle planets as easy as a clown would tennis balls.
Now, if Supes isn't at that level, then I'd say it'd be a close match. I know Hulk is supposed to be much more powerful then he's ever been.
While I do think that, if it was a real fight with no prejudices, Superman would win because of his Super Speed which Hulk lacks. The problem with this is many writers overlook this power, most likely on purpose, because if Supes used his speed regularly he would beat pretty much everyone, and that would be just boring.