Not too much lately so maybe as my system has matured toward a sound that I enjoy, my buying choices have improved.
One lately was the Benchmark LA4 preamp. How could I not like the sound of one of the most accurate preamps made, and the preamp that measured better than any John Atkinson has tested? Don’t know, but I just could bring myself to like it better than a couple of others that I have here. I would simplify my description of the sound as precise, strong leading edge, at the expense of body and tone, at least in comparison. Do I like the sound of distortion? Probably.
Another disappointment was Class A amplification. I spent a lot of years trying to make 4 different Class A amps sound good to me in my system and while they did a couple of things really well, the end result was disappointing. I am very happy with my current class A/B amps that are maybe not outstanding at any one thing, except dynamics, but that do everything pretty well, with no fatal flaws.