Tom Jennings, the creator of fidenet, is producing a nice modern Z80 computer[0]

0. https://www.ebay.ie/itm/206496219323

RC2014 is the real deal: https://rc2014.co.uk

Why I have not picked one up yet… I think I just have a sweet spot for the 6502 and keep putting together KIM-1 kits.

(EDIT: Finally after years, I just pulled the trigger on their Classic II kit.)

I don't know -- I'm seeing a lot of corner-cutting in the board designs!

I think they’re a notch above the rest

Nice! This one is also being produced: https://retrogamecoders.com/agon-light-first-impressions/

(emulated)

(on a 600 Mhz Teensy 4.1)

Woah that’s cool! I love the case!