To date, TiVo's main offering in the video-on-demand space has been movies in partnership with Blockbuster. That's about to expand dramatically however, with the release of new higher-capacity TiVo-branded PVRs and a host of download options.
Over at Gizmodo, Nick has an exhaustive write-up of the new options, which come under the bewildering brand name of Caspa. The most appealing for budget-minded viewers is the ability to watch downloads for free in return for viewing a few ads. Hit the Giz writeup for the full details, and start fantasising about what shows you want to watch in the comments.