Congress approved Obama's 2010 $3.44 trillion budget. Not a single Republican voted for it in either the House or Senate. It was never in any real doubt that it would pass, but it was not clear how many Republican supporters they were going to pick up. The answer is none.
More at http://www.google.com/hostednews/afp/article/ALeqM5htboP4WepA3h1KbYtBOw58XMLSdg and http://www.cnn.com/2009/POLITICS/04/29/house.budget/index.html.