New or updated reports from the Congressional Research Service that have not been made readily available to the public include the following (all pdf).

Afghanistan Casualties: Military Forces and Civilians, January 18, 2012

FY2012 National Defense Authorization Act: Selected Military Personnel Policy Issues, January 5, 2012

Spectrum Policy in the Age of Broadband: Issues for Congress, January 5, 2012

The Federal Bureau of Investigation and Terrorism Investigations, December 28, 2011

Economic Downturns and Crime, December 19, 2011