I don't think I've ever even seen an e-ink reader. In the past year I thought I'd give more e-content a try, one reason being that my public library has loads of such content available - not just books but also magazines (like Harpers say) that I used to pay good money to subscribe to. I bought a used, not-too-old tablet with an 11" screen and thought I'd be good to go. But ... it weighs a lot somehow and feels awkward in hand because of that, the screen while fine otherwise (it's a pretty nice device IMO) is not-quite-sharp-enough it feels, and I find myself constantly zooming to help with that, but doing so messes up layouts and then I find myself scrolling not only up/down but also side-to-side, a real PITA. And apart from all that, being an Android device, there are also all kinds of apps right there begging for attention while I'm trying to read. Not a good experience even if some of it is a lack of self-control on my part.
I'll have to research the devices. I would be concerned about the content ownership issue - I want to buy my books and have them under my complete control whether on-device or on-bookshelf (not counting any content that I don't feel the need to own, like public library content). I don't want to give Amazon a single cent either for hardware or for content because Amazon is an evil company. And of course I don't want to pay a ton of $ on hardware either, or find that the content is much too pricey - I almost always buy books used but will usually pay hardcover prices when I do.
Thanks for your perspective. I now have another rabbit hole to dive down.