Since I was looking at the WA22 as my final & balanced stop on the HeadFi highway, I find the above convincing enough. I hadn't even realized there was any question about that, would love to read up on that thread but searching for it here made for too many results to wade through, link please? (And/or how one could search for it more accurately)
Jack's explanation is enough for me as well, but feel free to read further:
http://www.head-fi.org/t/456258/wa22-internal-pictures/30#post_7258747