Anyone built this - I am dying to do this but need a parts list and some instructions.

http://photos.imageevent.com/cics/cmp/Introducing%20cMP.pdf

Here you go:

This is the article you want to read (http://photos.imageevent.com/cics/v03theartofbuildingcomputertrnsp/The%20art%20of%20building%20Computer%20Transports% 20v0.3.pdf)

It isn't what I would do but this basically makes you a truly barebones playback device that you can stream from another media server type, and should provide playback with the absolute minimal amount of interference.