no cost for media.
But theoretically, couldn't you just reuse a few MD's over and over without any loss of quality? It's not like dat/dds where you lose quality reusing them, is it?
I wouldn't erase any MD masters of a show i taped, would you?
So what are HD recorder people going to do, archive hard drives?
Personally, I don't really care what happens to my dat masters (since I tape in 16/44, viewpoint might be different in 16/48). Once I've extracted the audio and shn'ed and uploaded to some friend's ftp servers, I'm happy with a shn cdr in hand and knowing that if something happened to it that my server friends would be able to hook me up.