[nas] What kinds of small NAS servers are being used?

[Raymond T. Joseph]

I would like to find what types of small computers are being used for NAS
servers.  I would like to find a very cheap solution; the computer will not
require any user interface as it is only required to deliver audio.

I would like to hear from users as to what small computers they are using.
I would also like to find some links to websites that may address small NAS
servers.

Any help would be appreciated.

Ray