I saw this a while back and thought it was cool. Lots of argument here over where the money goes, so I thought you guys might think it was neato. You can mouse over and get the details, and the spending change from the previous year.
http://www.nytimes.com/interactive/2010/02/01/us/budget.html
http://www.nytimes.com/interactive/2010/02/01/us/budget.html