Have you changed your mind about a brand? Was it you, or them?

Personally I'm over Integra, Onkyo and Denon. All 3 mid to high end receivers I've owned from these brands have failed in one way or another, and all 3 in a short time frame, but right after warranties expired. I'm having good luck with the Lexicon MC-10 and my Bryston 8B-ST's are rock solid. My old Klipsch Epic CF-4's have sounded great for 20 years but the Klipsch Reference Premier 280's and some other copper gear (I forget the models) to me were inferior so I sold them pretty quick. Now that I understand only their Heritage and Cinema/Pro gear is still made in Hope, AR and the rest is made overseas,  makes sense why the new copper gear has been so underwhelming to me...obviously this is just my personal opinion  but has been my experience. 

I had an Onkyo HT processor for a week, same for Emotiva. Same super thin sound.  Don't ask me why, but talk about a serious let down.

New Colts is not like 20-30 years ago... big disappointment in assembling quality and materials. Levies jeans got pure too.. audio equipment seems to be fine. 

DW drums and DW hardware. Waaay worth it. Gibson Les Paul. Way to spotty QA for a lot of money. Rega turntables. After loads of research, and a fair bit of shopping to buy a Planar 3 (a lot of money for me) very disappointed by poorly designed deck with ground hum.

@tatyana69 Agree with you about the difference between B&W d2 and d3. I’ve had both.
My first time out I thought my Marantz 8001 amp was the bee’s knees. But then my McIntosh 6700 integrated made short work of the Marantz. Now, my Pass Labs has taken things to the next level and put the 6700 to rest. Given the pattern, there always seems to be great joy followed by a discovery of what’s next, which is what I didn’t know I was missing with my previous setup. It’s been said on here that more money doesn’t mean better. But it’s kind of gone that way.
If there’s ever an audio convention again, I suppose I’ll discover that my B&W 803 d3s are lacking in some dimension I haven’t yet experienced and I will jilt the speakers I currently love. I still have my Marantz and listen to it very occasionally to remember how much more I have now. But the Marantz had its time and I loved it. So did my old McIntosh. While I might cringe now at what I used to love, each was a blast if only for a while.