I am still having video problems related to the screen not coming up after the TV is turned off, but none of this has to do with music.
DSD to high speed PCM is all working marvelously. I imagine the same woudl work with any DAC that is driverless for MAC/Linux and uses USB 2.0. I have also confirmed that the USB 2.0 connection is asynchronous. The clock in the Myteck drives the whole shebang. Sadly my very nice sounding ARC DAC 8 has proprietary drivers, and will not work with Linux.
Oh, one detail, I installed Xubuntu in stead of Ubuntu for the User Interface. As such, the network manager that comes with it is super easy to use. Just click on the network icon and up comes my ethernet and wireless connections. Bing-bang boom I’m networked however I want to be.