I'm going to advocate for the Boox Go 7. I was genuinely surprised with how fluid it could be. I particularly like having all of my stores in one place. The drawback is that you have to learn the Boox UI which isn't intuitive. I have more thoughts:
https://guiltygamer.com/boox-go-7-re...n-waiting-for/
Having said that, I really want to try a Meebook but I haven't had the chance yet.