If you are bummed by Theils treble with your SS output stage precision amp, I strongly recommend speakers with a very sweet "musical" top end. I own Focal 936s and would say they are too clinical for you but there is a pair on sale right now pretty cheap. The speaker I would advise you to get are Nolas. The whole line is targeted towards people who like rich tone and sweet treble. I don't own them but have heard them and thought about it quite seriously. Read a few reviews to get an idea.
It took me several years to get the right amp and speaker combination, so take it easy and be prepared, for some trial and error. That is what has happened to the industry for all the reasons you spelled out about being unable to audition gear.
It took me several years to get the right amp and speaker combination, so take it easy and be prepared, for some trial and error. That is what has happened to the industry for all the reasons you spelled out about being unable to audition gear.