My Audio-gd Compass is also part of my collection rightsizing. :-)
This is a great DAC + preamp + headphone amp for the price, with an engaging and fun sound. The DAC supports USB, optical and coax input, and the amplification section is just so sweet.
The DAC uses a discrete op-amp and comes with three versions of it. Sun for a more bright, detailed sound. Moon for a more relaxed one. Earth is more neutral (and my favorite).
It is in mint condition.
$250. I'll pay shipping in continental US.