Seems like a cracking price for quite a cool little device.
The WD TV mini media player let's you transform any USB storage device into a media player.
It supports all major formats, excluding protected content (eg music from iTunes)
Turn your USB drive into a media player
Supports an extensive list of file formats
Simple, intuitive user interface
Small and portable
Video -AVI (Xvid, MPEG1/2/4), MPG/MPEG, VOB, MP4/MOV (MPEG4), RM or RMVB 8/9/10