After long seven years, the Clay Institute agreed that Grigory Perelman deserves one of its seven one-million-dollar awards, the Millennium Prize, for the proof of the Poincaré conjecture.
Update: later, with more information available, it was confirmed that Perelman rejected the award: The Herald Sun. With all my modesty, my own material modesty is similar to Perelman's - but still, I would accept some modest donations (see the "donate" yellow button below).
Update, July 2010: The media including The New York Times informed that the "No" decision is final. He has still been thinking about accepting it. The main reason to reject the prize is that Hamilton has deserved it as much as Perelman and the organized mathematical community has shown once again that it is unjust.