@DeweyCH, thanks for an intriguing, highly readable review & some comparisons vs Atrium that interest me. Plus I'll always be grateful for this priceless line in the review:
(I agree!)
"But they grow on you fast - like a fungus. A really invasive fungus."
(I agree!)
Also, switching from the low-Z to the high-Z output on my Mogwai makes an equally impactful difference. I've read plenty of people who have said they prefer low-Z on ZMF cans, but for these, to my ear, high-Z is so much better.