E-readers and e-ink tablets: screens, batteries, frontlights and the stylus, months and years in.

Three across two brands, from 42 owner accounts. Beta: fewer accounts, subjects still settling. 3 of them thin, under 40 accounts.

• Amazon Paperwhite 10→17accounts

  Praised for build quality

• Amazon Kindle 10→13accounts

  13 owner accounts, but no single subject raised by 4 or more of them yet (the most so far: 2).

• Boox Tab Ultra C→12accounts

  Praised for build quality

Order: how many owner accounts we read, most first. Nothing else moves a product up or down.