1) I'm now going through the pain of having vlc compiled (default rpms don't have --enable-pvr option, so no hauppauge-pvr module is included in binaries). I might have it compiled in a week or so (I'm still handling first errors in ./configure).
Sna,
What software do you use to remotelly control vlc, so you can change channels remotelly?
2) I checked Mythstream, and it's based on VLC, also without binaries compiled, so it's the same problem as having vlc running.
3) using the cat /dev/video0 > file.mpeg doesn't seem an option, since I really thing that taking care of my HD is important; I'll investigate this option, since maybe it could be possible to have this idea working like using a pipe ?