Sony also does it for $250: http://us.playstation.com/ps3/accessories/sony-playstation-3d-display-ps3/index.html even more less expensive. But there's something other than price lost with each order of magnitude.

Pioneer PDP-5020FD, Marantz SR6011
Axiom M5HP, VP160HP, QS8
Sony PS4, surround backs
-Chris