When I moved into an apartment last October, I looked around for distros
that did total drive encryption (basically Debian and Ubuntu). I read
the article, but since I power off my machine when not using it, I don't
feel too worried about someone cracking it.
I installed Gutsy on the machine,
At my apartment, I only have the basic channels (up to 22 or so). At a
house, I have expanded, but have not tried the HDHR there. I have two
PVR150's at the house and am able to tape everything.
I don't know about the compression. My understanding is that the HDHR
receives the raw MPEG