Please help me decide which model to buy

Hello! I've been following the ONYX BOOX reddit for a while now and they look absolutely great.

But I have one problem.

I can't figure out which model is more premium, which is lower, etc.

That is, I want to buy an electronic tablet with e-ink, on which I could take handwritten notes, read books, etc.

But I can't figure out which one is the most modern and the best.

Some kind of model map or something similar would be very useful.

Thank you very much!