A couple weeks ago I paid 45k says among several and tested them individually but didn't see much ROI.

None of them was a replacement for connecting to the 19 or so that Amethyst connects to by default. I do like supporting relays for their service, and there may be some undetectable benefits that I'm enjoying, but it wasn't noticeable.

I do think there will be value in helping people understand how to select relays and what those choices mean. Maybe I should write a guide.