According to The Asahi Shimbun online news, Nakagawa Shōichi has said he will resign as Finance Minister and Minister of State for Financial Services "after the passage of the 2009 Budget and its enabling legislation."
Provided that the Asō Cabinet is still in existence then, I would have to add.
I am looking forward to what Okumura Jun is cooking up. He says he will be posting soon.
Aha, here it is.