Very few people who buy a Melco say much about it on forums, it seems. It's great that you like it so much. Can you compare it to anything we're familiar with and why did you decide to buy it?
The first time I heard Melco N1A was in a hifi show where it was connected to Chord Hugo TT with Raidho C1.1. as speaker (I forgot what they used for amplifier, though. If I'm not mistaken it was something from Symphonic Line). I was so impressed, so I came back on the second day early in the morning to audition thoroughly, and luckily the room was empty and I had my music on my cellphone. It was easy to stream my own music to Melco N1A via BubbleUPNP. I own Chord Hugo so more or less I'm quite familiar with Chord Hugo and Chord Hugo TT sound. My music collection never sounded this good . Right there, I knew that I need to investigate Melco N1A further.
In August 2015 and February 2016 HiFi News issues, Paul Miller did the measurement of Melco N1A with Chord Hugo and got excellent result via USB (he even compared the Aurender N10 vs Melco N1A and Melco N1A measurement is better). When I purchase HiFi equipment above USD1000, I need both good audition and at least some kind of published measurement before I buy. Melco N1A passed both, so I decided to purchase it.
Now the Chord Hugo is very sensitive to transport and I have tried:
MacMini (tweaked with HDPlex LPS, UptoneAudio MMK, no wifi, no bluetooth, OSX optimization, basically almost all tweaks recommended in Computer Audiophile forum) -> this is such a waste of time and money and I'm quite surprised a lot of people still want to pursue this course.
My Android phone via UAPP -> this is better sounding and much cheaper solution compare to mac mini. Hence, my suspicion that Chord Hugo performs better with low power transport compare to high power transport such as PC or mac.
Single board computers: I have tried BeagleBone Black, Cubietruck, and Banana Pro with various linux distros: Volumio, Rune Audio, and Archphile. These are better than mac mini or android phone. My favorite from this bunch is Banana Pro using HDPlex LPS running Archphile as OS.
I have tried USB/SPDIF converters too, Gustard U12 and Melodious Audio MX-U8 and my favorite is Melodious Audio MX-U8.
Suffice to say, Melco N1A tops all the above. It's a NAS (I never owned a NAS before), a UPNP renderer, able to stream Qobuz, has a good USB implementation, and an excellent sound quality with Hugo. Plus the price is reasonable, I paid around USD2300 in my country, and I think it is cheaper in USA around USD2000.
Here's couple of forums discussing the Melco:
http://devialetchat.com/showthread.php?tid=431
http://devialetchat.com/showthread.php?tid=1994
http://www.xtremeplace.com/yabbse/index.php?topic=214799.0