I notice there seems to be very little discussion of the high end models made by Audio Technica, despite their more affordable models featuring regularly in discussions and some of their affordable models being quite ubiquitous. I have a pair of ATH MSR7's which I love, and I also loved the ATH R70X when I tried a pair and thought they offered great value. As you go up the scale it's like they don't exist. I remember the ATH AD2000X, at one time it was high end whereas in today's market it is looking more mid range, although I never bought a pair I liked them when I tried them. I never bought them as I felt the performance didn't match price but they were nevertheless nice but I think that is true of an awful lot of high end headphones. Anyone here with any of their high end models?