Two tickets to an Atlantic Theater Company mainstage production of your choice in the 2010-2011 or 2011-2012 season. 

From their website:

Atlantic Theater Company is the award-winning Off-Broadway theater that produces great plays simply and truthfully utilizing an artistic ensemble. Founded in 1985 by David Mamet and William H. Macy, Atlantic believes that the story of a play and the intent of its playwright are at the core of the creative process. The plays in the Atlantic repertory, from both new and established playwrights, are boldly interpreted by today's finest theater artists and resonate with contemporary audiences.