To add some more info and pics on the Musical Fidelity M1 Clic Music streamer/preamp ($2K) and the V-Link asynchronous USB to S/PDIF converter (approx $170), I mentioned earlier:

M1 Clic

http://www.stereophile.com/content/m...sic-controller

V-Link

http://www.stereophile.com/content/m...pdif-converter