This accessory plugs upgrades your existing Xbox 360 into a full-fledged HD-DVD player. It is one of the most affordable HD-DVD solutions on the market. HD-DVD delivers tremendous video quality with six times the resolution of a standard DVD. The player integrates nicely into the Xbox 360 experience and connects via an available USB port.
This Xbox 360 HD-DVD drive was the first HD-DVD player to support 1080p output, albeit only over the Xbox 360s VGA output. With the release of the Xbox 360 Elite and the addition of an HDMI output to new Xbox 360s, you'll be able to get 1080p output on your TV over HDMI. This drive can also easily be hooked up to your PC to get HD-DVD playback.
The Xbox 360 HD-DVD add-on was released in November 2006 and retails for around $180.