> * I am a bit unhappy with the battery life; I hope I will tune it at some point.
> * the screen is a little dark, so the "frontlight" needs to be on more often than a black and white e-ink device
This is why I ultimately decided to go for a Boox Note Air 3 (sad they discontinued the B&W line). Apart from the lack of support for Boox firmware version 4, all the upsides apply without any of the downsides.