I‘m quite happy with my Kobo Clara HD. Maybe I would choose the Kobo Clara 2e for the water resistance. But both of them lack things you find important.
Hope Apple made E-Readers. Would’ve bought in a heartbeat. Can pay 1K for that
eInk Device by Apple, would help with all those books with very strange grayscale/color fonts that sometimes are absolute unreadable on a ebook reader (but fine on tablet/phone).