MPD can be installed on a router, too, using firmware like OpenWRT or TomatoUSB. That'll get you just what you want for less than $50 plus a couple hours of one-time setup. This might be the ticket - ...
(First off, forgive me if I'm succumbing to Redundant Acronym Syndrome - What does DIN actually stand for? Digital Interface?)<P>I'm trying to pick up most of this stuff as I go along, so I'll not be ...