Depends mostly on the font size in the PDF. For dense PDFs I agree, it's barely usable. For most PDFs though I'd call it "acceptable." If you have control ov

Depends mostly on the font size in the PDF. For dense PDFs I agree, it's barely usable. For most PDFs though I'd call it "acceptable." If you have control over the font size (such as when you're converting some source material to PDF) you can make it an excellent reading experience IMHO.