@upscaleaudio
DHT and single-ended amps fell out of favor years ago.
Is this a personal observation or are you talking about just the products you sell. I personally am all in on very efficient speakers and low watt power amps and can see that trend expanding (or my knowledge regarding that trend expanding???) SET amps do require some thought regarding speakers but 16 Ohm speakers aren’t a requirement for them to sound good.
My personal observation is I’m more into single ended amps than I’ve ever been and sound wise it would be very difficult for me to give them up and pretty sure I'll still feel this way in 6 months, 12 months ...
If all that vintage stuff is taking up too much space I’d be glad to take it off your hands