I guess they don't think there is a big enough market, otherwise there would be many more. However, as you noticed, there are a few and all you need is one good one (Panasonic, JVC, etc).
With the demise of analog broadcasts, and the (generally) higher quality of digital broadcasts, why aren't electronics manufacturers making more DVRs with ATSC tuners?
There are plenty of QAM DVRs for people with cable, but am I the only person who wants to record FREE over-the-air broadcasts?
I know about TiVo, but it still costs over $100/year.
Where is the digital equivalent of a basic VCR????