I've mostly been using my Fubar III DAC to connect my MBP to an older analog-only stereo amp, which means I probably never heard any issues with the DAC because the amp itself has a "nice" hum that ...

I just got the latest Hifi News magazine and, as usual, the same ridiculously expensive mains cables etc are being pimped. I usually just skim over that crap, after admiring how pretty it is, but this ...