I blow hot and cold on headphones. Decades ago I bought the first Sennheiser HD414 which in my location were only sold by a swanky B&O dealer. They were a revelation as I could plug them into the speaker outlets of my parents' old record player thingy. It had a ceramic cartridge, so that dates it to about 1969. But I was hooked on stereo by then.
When I could use speakers, which was most of the time, I did. I loved Stax cans and heard them whenever possible at shows and dealers. Later I bought a newer Sennheiser pair, but these are now crumbling away in their box.
A couple of years ago I bought some a-JAYS two, which I'm listening to as I write, and use them for escaping the telly. Also got some Grado SR60i which sound great, but are quite a firm fit, and I get hot ears after more than an hour. The appeal of fantastic quality for, say, five hundred quid, is great. But you still have to clamp them on your head! Hence I'm unsure if I'm a fan....
Right now, I drool over the Oppo, but haven't heard them yet! And I'd want that fab amp too!