I came across a website for a smallish looking European firm that makes a dac claiming these figures: Total Harmonic Distortion: 0.000029% (–131 dB) at 1 kHz, 0.000035% (–129 dB) at 20 kHz. That's top notch, to say the least. It's called a Dacgear XR+. Not expensive. Anyone got one? To send to...