XClef offers a AV portable drive dubbed 1200AV.
We reported about the Tvix Movie Jukebox just last week. The XClef Jukebox features a 40GB hard-drive and USB 2.0. The 1200AV supports the following video formats:
MPEG-1/MPEG-2/MPEG-4 ASP with MP3 Stereo Sound/AC3-5.1 Channels
Digital Sound/DVD Quality(Resolution: 720*480), 720*576@25F/S for PAL, AVI
file format, XVID, DIVIX 3.11/4.11/5.11.
The XClef Drive also supports MP3 Audio and Jpeg for photo viewing.
UK's AdvancedMP3Player offers the XClef 1200AV for 249.00 pounds (~$460).
More information on the XClef site.