> I can't wait for these kinds of e-ink displays to get more affordable.

Is there any indication that will happen? I’ve been impressed by the occasional E-ink hack too but displays larger than e-reader sizes seem to not drop in price.

This project caught my eye 2 or 3 years ago but it looks like the display used hasn’t come down in price at all:

https://news.ycombinator.com/item?id=22831323