Rob80b
Headphoneus Supremus
For those of you who read UHF (Ultra High Fidelity) a respected Canadian Audio Publication. They currently have a review/comparison of the Lehmann Black Cube Linear, CEC HD53R and Benchmark DAC1 in issue #73
http://www.uhfmag.com/Issue76/Issue76.html
http://www.uhfmag.com/Issue76/Issue76.html