These are amazing. I have one and love it. Admittedly, I've replaced all the patches with Nine Inch Nails-style industrial noise, but that's not the point.
Re: your QC comment, do you know if yours is a made in America, or one of the last batch that was made overseas since the InMusic acquisition? I've heard a few people that purchased these brand new in the last 12 months have similar complaints. This was part of the reason that 2nd hand prices rose even before they announced this was being discontinued, because people wanted pay a premium for a unit that was made in the Asheville factory before that stopped being a thing. Once they announced they were being discontinued, the prices jumped again. That said, still worth every penny.
If you have a US-made unit with QC issues, I'm really surprised, as they took some real pride in every unit that left the factory, in my experience.
I remember when I once had an issue with one of my Moogerfoogers, maybe 12 years ago. I emailed them, and then got a reply from the actual engineer that designed it. He said, "you could send it to the UK repair centre, but if you send it to me, I'll fix it up, and upgrade some parts for you - I can do it on my lunch break next week". I mean, that was service!
There is a part of me that is considering selling this to get a 2nd hand US made 37 instead, just because I want more patches to save sounds in. I really love the size and format though. It rocks.