Cheapest so far I think
Thanks to this all-new WD TV HD Media Player from Western Digital, you can turn any external, USB-enabled hard drive into a high definition media player!
This tiny devices supports Full HD 1080p resolutions and is very easy to use. Simply hook it up to your TV via the HDMi socket or the composite A/V jack (cable included), plug it into the hard drive where your music, photos and videos are stored, and enjoy all this entertainment on your widescreen display!
The WD TV HD Media Player is compatible with the most popular files, such as MPEG-1/2/4 (including H.264), MOV, AVI and MKV. It also works with JPEG, TIFF, BMP and PNG images, as well as MP3, WMA, OGG, AAC, FLAC and Dolby Digital music.
You can connect as many USB drives as you wish to the Western Digital WD TV HD Media Player by using an optional USB hub, meaning you'll be able to increase the size of your media collection without any problem. The player is even supplied with a handy remote control so you can access all these features from your favourite armchair!