Most of the poll options doesn't make sense. Nadal overrated, how? But I will give you an answer. David Ferrer, hard worker very consistent against those lower ranked but he simply doesn't have enough talent to beat the best, especially not at Grand Slams, h2h 0-17 vs Federer says it all.
Obviously very good but it's hard to say because I don't think Rafa was anywhere close to his best. He seemed bothered by something and it was not only Djokovic, maybe he had some physical problem because he was not moving well.
No. Rafa is one year older than Novak and has won two more slams. Djokovic needs to win two more slams this year to be on par with Rafa at the same age. If he wins three more this year then yes. Makes sense no?