I see that the Moondrop Spaceship is missing from your list. I know you're not a fan of it but I think with deep insertion via final E-type small tips and a good source, it's one of the most neutral budget IEMs out there.
Waiting for your impressions on them. I have one and I am not a fan at all to say the least. The sound is very dry, emotionless, and the fit is painful for me (only foam tips are comfortable but then the treble gets even more subdued).
Is it still sold anymore though?