Built this gamma2 myself a while ago. Have since moved on to different DACs. It's been a while since I built it so I don't remember the exact specs, but I used good parts. Not designer parts, but good quality parts that are recommended on the amb website (i.e. vishay resistors, etc). If you have any specific questions about parts used, let me know and I'll try to dig through my old receipts to find out.
I made an enclosure out of maple/thin sheet stainless steel. It's not my best work, but it doesn't look terrible either. The SS was scrap from another project, and is somewhat thin, so I don't think it's perfectly flat. Some scratches in the metal.
Have an external power supply to use with it too, but I've just been using it via the USB power. The external supply does not fit through the hole in the back faceplate, so you will have to either drill the hole bigger, or take off the back plate to use the external supply with it.
Asking 135 firm shipped CONUS. Delivery confirmation and insurance included, PP fees are not.
Edited by pbandstefanwich - 1/15/13 at 9:01pm