www.tversity.com runnning on PC with Media Streamer or Canola running on the N800. TVersity will transcode QT movies and other Audio/Video podcasts to a format supported by the N800 on the fly as long as the correct Codecs & Filters are installed on the PC.

Then its just a matter of adding your interest in various Video URL and/or Podcast feeds to TVeristy and TVersity will then share the podcasts onto your home network for use by numerous Wired & Wireless devices including Wii, Xbox 360, UPnP Players, N800 etc. (Transcoded as required)

Not to mention your locally stored content