@budburma I am an authorized Aurender dealer and can tell you that despite the N10 having a higher retail price, the N200 is sonically superior. Aurender admits they surprised themselves with the performance demonstrated by this unit. Some people will even admit that the N200 will come close to the N20, but I can still hear an audible improvement in the N20 over the N200.
You are somewhat right in your thinking - the N10 “might” have a better clock, and it does support AES, where you would be limited to coax with the N200. But the implementation of the N200 in terms of power supply robustness, isolation, and overall circuit design is a step above. The differences result in a lower noise floor, improved detail and separation, along with slightly more body/tonal density with added texture. The N10 is all but declared discontinued at this point, so I highly recommend going with the N200.