Not seeing any discussion of this:
https://www.youtube.com/watch?v=g69oMk2iIaw
The Tab Ultra is really tempting to me:
https://shop.boox.com/products/tab
(probably would have ordered one if I didn't have the Kindle Scribe pre-ordered already)
One feature I'm not seeing discussed --- does it have the ability to function as an e-ink display over HDMI? (in particular for a Raspberry Pi 4)