I have the Audio Refinement Complete Alpha, and it's great. It doesn't way 50 lbs, but the build is designed to remove as much jitter and noise as possible. It's very important to discern between the Alpha and non Alpha versions. The Alpha is much improved in essentially every way.
2nd system dedicated cdp: $500 Build quality a +
Looking for dedicated cdp with exceptional build quality for vintage system...no need for dvd,dvd-a,sacd,multi, or changer...primarly looking for very good sound and exceptional build quality...20 bit ok too...DEnon 1650 comes to mind...any others?