Same site that did the $20 Amazon gift card for $10 a few months back. Nice way to pick up some tickets for less than half price!
http://livingsocial.com/deals/57725?ref=personalized-link-box-13402975&rpi=13402975
http://livingsocial.com/deals/57725?ref=personalized-link-box-13402975&rpi=13402975