I will be sure to post my impressions. I am just going to connect it to my c-j Classic 2SE via it's tape out so I can enjoy all sources.
It looks like it's built like a tank, just like all QS amps. I am using a pair of Klipsch HP 3 and a pair of Grado RS2e. I'm currently using a Rupert Neve RNHP amp and it's a great amp but I wanted the QS since it came out last year. Mike from QS said it will drive any headphone, and I believe it considering the size of the output transformer. I read on one site it can drive a pair of speakers..... not that I would try it. Hopefully it's the last HP amp I purchase.