The 1.9 Gb DLC for Mass Effect 3 that expands the highly criticised endings includes an additional surprise ending. The video of the ending can be watched below courtesy of VesperAzure.
Videos of the expanded endings can be seen below courtesy of TetraNinja.
Mass Effect 3 Extended Cut is currently available for the Xbox 360 and PC for free. The PlayStation 3 will be getting it on July 4th.