Originally Posted By: wfaulk
Warning: If your cable provider decides (like mine, Time Warner) that everything that can legally be restricted must be restricted, this means that the only thing you can get off of your TiVo is broadcast network programming. (Though you can get that off even if you received it over cable and not the air.)

In practice, with my Comcast cable, they copy-protect everything on the premium channels (HBO, etc.), and they seem to probabilistically copy-protect content from some HD standard cable channels with no particular rhyme or reason. All the SD cable channels are unprotected.