Modern prog?? Prog means trying to explore new sounds. What is modern about repeating the past? " Pawn Hearts" of Van Der Graaf Generator" is from 1971 but still sounds more modern an daring than most so called prog of today
It doesn't matter, they can co- exist as I use my X3II for Flac recordings, mainly from Bandcamp, and my Apple, Dragonfly set up is for my iTunes library. I am happy with both of them and so should you😊
Than the SD2s is for you. The same technology you find in cheaper Asia made in ears to, so I guesd you have to decide yourself if made in Germany is worth the extra money. From my oen point of view I would say yes.