I'm in the same boat too... One thing i'd absolutely need on a new (non-color) device is the light sensor like my current Kindle Oasis(3?) has. The Pocketbook

I'm in the same boat too... One thing i'd absolutely need on a new (non-color) device is the light sensor like my current Kindle Oasis(3?) has. The Pocketbook devices all lack one (they only adjust lighting based on time and such...)