It's excellent, with one important caveat: provided the text size is not too small. The way small font sizes (<=8pt on an 8.5x11 PDF page) get rendered/antialia

It's excellent, with one important caveat: provided the text size is not too small. The way small font sizes (<=8pt on an 8.5x11 PDF page) get rendered/antialiased on the device reduces their contrast a little -- they end up a little more grey than pure black, which isn't ideal.