In case you haven't already seen these -
The 2010 Defense Quadrennial Review (QDR) has been released along with related information.
DOD also released it 2011 budget proposal and 2010 War Funding Supplemental request.
The summary of the 2011 budget proposal with charts is available
and the entire budget is available as well as previous fiscal year budgets.
All the recent strategic defense reviews, including the QDR, NPR, BMDE and the SPR are available