One of the less publicized additions in the Xbox 360 Spring Update is a handful of new video codecs. Mention the word "codec" however, and you can be sure that the folks at Engadget are paying attention. The new dash update brought with it some spiffy high definition codecs and Engadget has given them a test drive. With fresh 1080p support (at up to 10MBps) Engadget declares the Xbox 360 the new king of streaming video, effectively shoving the Apple TV into the deep recesses of an ancient couch. Hit the "read" link for Engadget's full breakdown of the new codecs and their performance.