It's been a little over a week since I've received the D16. I've been listening almost exclusively with the Rednet-Mutec-Yggy combo (AES) and really enjoying it. To test my preference, I went back and listened to my dual PC config with Jplay. The reason I did so is that AO 2.0 became available in non-beta form for Windows 10. I had purchased an AO license late last year but never installed it as I was waiting for 2.0. The upgrade license (from 1.4 to 2.0) was pretty reasonable (approx. $30) so I was curious and decided to give it a shot.
End result - no change from what I heard last weekend. Cleary prefer the Rednet to dual config. If anything, I think the disparity has grown. I listened to more audiophile type recordings for this test and the RedNet revealed much more of the recordings. It also continued to be more emotionally involving. The dual PC config (CAPS Pipeline) has dedicated USB card (SOTM), Battery powered OS, Wyred Recovery,HD Plex Power Supply, Curious cables and Optical Isolation. The D16 system in contrast is using $20 blue jeans cat 6 ethernet cable, $35 Benchmark AES cables and $5 power cord.
Needless to say, the RedNet remains in my main system. I can tell by reading some posts that the RedNets may not be "plug and play" for everyone. All I can say is IMO the sound quality and rock solid operation (once set up) is worth it.