Crackbone posted:

Well, it's a little more complicated, but theoretically any card that can read ATSC could read QAM signals. However, right now there are no cards on the market that can properly read and map the qam signals and thus let you watch them. Windows doesn't support it natively either. Thus, even if the hardware can do it, the software won't let you. I looked around and in Jan. this year Avermedia said they were going to put out their own QAM viewing software which they apparently haven't done yet.

The HD homerun is the only tuner I know of that will read QAM and allow it to be viewed in MCE. Even then it takes some hand-tuning of the drivers (you essentially map QAM channels to ATSC equivlents, fooling media center into believing it's OTA signals).

I'm not real up on the Linux side, there a few that supposedly do QAM, but with very mixed results as to it working well or at all.

On top of everything else, are you SURE the cable company where you live is running any of their QAM signals unencrypted? Because lots of cable companies encrypt all their HD channels, premium or not.