I made a general statement, and I am not prepared to discuss at length. I have made a general observation, and that observation will be shown true or false over time as I build systems, but usually my first instincts have been correct.
Regarding comparison to the XA200.8, I have not done direct comparison yet, but I will. One of the XA200.8 has been back to Pass Labs for repair following my bone headed blowup wherein a metal plug of an IC was touching the output. Amazingly, the amp survived another four weeks before giving up the ghost. It's not back yet, so no chance to compare.
I attest to the sensational service of Pass Labs; no arguing, no bickering, no guilt trips, no plea for me to cover return shipping, which would have been expected, given I hurt the amp; just, "We'll arrange pick up, get it done and back to you." That is a big part of why they are world class!
For any kind of meaningful conclusions, several systems have to be made. This amp is very different from the XA-200.8, but so far to my ears, as legitimate. I think this may settle out like the two motorcycles I own; Yamaha Stryker and Yamaha FJ-09; two very different rides, but I love them equally. I am not of the school where there is only one form of excellence in amps and systems. (If you are, great! So be it.) I have built too many rigs and used too many speakers, such that I do not wish to limit myself to one expression of fine audio. :) However, I do try to maintain a high standard for excellence across a variety of systems.
Especially since audiophiles love to jump to contusions, I usually withhold names of equipment before the time is right (publication). Sorry; sometimes you just have to wait.
