Im using the dac 7 at the moment. An also using a big ben clock that i took out of one of my recording studios today. Its all going well. Driver showed up an all is playing. Its a real smooth dac, Usb is i think almost as good as the spidf signal. Ive been going through alot of dacs lately. Ive used benchmark in my system too with great results. Im thinking of grabing the on of the apogee rosettas that i have and trying that tomarrow. I value this site alot.