IThe ATSC tuner is good quality, the QAM tuner is funky (when we had lifeline cable we used it, never used cable cards), but it works.
I've tried to look this up in Tivo community forums and what not, but I'm still not 100% clear if Tivo will record local HD channels via a built-in QAM tuner. Can anyone confirm that? If it works, then I would consider picking one up for the bedroom where I don't have a cable box. (OTA is not an option since any antenna would need to be re-positioned each time to pick up the various stations in the area.)