Gray Area responded to my Kobo post, pointing out, among other things, that you can actually save settings application-wide in KOReader, and not only for a particular book. That motivated me to give it another try, mainly for the sake of better font rendering, and hypenation (the lack of hyphenation in Nickel drives me batty). So far, so good. I’ve got the defaults the way I want them now. I mitigated the issue of Calibre making it hard to browse books in KOReader by configuring Calibre to ...| jfm.carcosa.net