Aurender or Innuos are both excellent products but had different sound signatures in my room. I found the Innuous more detailed and more sound stage forward in my system. The Aurender delivered a smoother more analogue sound. I was impressed with both but felt that the N20 played better with my speakers and went with that.
I have music stored on my office hard drive from rips and downloads and I found it easy to send the files to the hard drive on the streamer over my network. I haven't had any SQ issues and it sounds bit perfect to my ears. Good luck and let us know which way you go.

