While researching DAC'S I have come across these two very different units. The first is the Audio Mirror Tubadour MK II. The second is the DB Audio Tranquility SE. There is a 45 page thread on the DB unit on Audio Circle( this thread also contains a ton of info on the Mac Mini as a music server and how to set it up) and both have great reviews. They are night and day apart in their aproach as the DB is a USB only input and the Tubadour has multi inputs and is tube. I would be very interested to know if anyone here is using or has heard either. I have noticed that Audio Mirror doesnt seem to be a favotite here but is well reguarded on other sites. Any response will be appreciated.