You are right, it's a
huge difference. It's all about
font anti-aliasing so it's a software problem. Kindle has the capability of correcting this with it's software (in pdf has that function of darkening the font I think it's doing something about anti aliasing) but pocketbook hasn't. It's a pity to be this way; I think this function would make pocketbook a really good device for reading technical pdf despite it's visplex display.