Nige writes in
ve.co.uk:

But given the low cost of massive hard drives these days, I still
wonder why no-one has come up with a self-contained 'audiophile' system
- or have they?

This guy has an interesting project - still a computer, but pretty much turned
into just that. Pity the "Meedio" software is no longer available, but a good
read all the same (although I could do without all the blue LEDs;-)
http://www.jimmyneutron.org/MS-100%20media%20server.htm
--
RdM

PS:
If you go back to his project index afterward there's a record cleaner too.