The term being used... is "transitional fair use," and the scenerio laid out goes roughly along these lines: Viewers would be able to record an episode with their DVR, but there would be a time limit on how long it would be available for viewing.
Full Story (http://www.allyourtv.com/0405season/news/november/11282004transitional.html)
Is that for TiVO only? I don't think they can do anything about videotapes...
TiVO and other 'Personal Digital Recorders'/'Digital Video Recorders'.