I read for hours on the iPhone using the Kindle app and Stanza, and the assertion that doing so on a LED backlit screen “kills your eyes” is completely and totally false.
The idea that the Kindle is more comfortable on the eyes is another common assertion, and in my view it’s also false to fact. I had two Kindles (G1 and G2) and sent both back. You want to really kill your eyes? Try reading the Kindle’s fuzzy low-resolution low-contrast 75% gray text on a 25% gray background.
It was so bad that the only way to make the text legible was to increase the font size… to the point where the iPhone’s screen displayed more words per “page”.
So much for a dedicated reader.
The Kindle might be better if you spend most of your time standing outdoors and reading under the light of the noon sun, but forget reading indoors under anything other than optimum lighting conditions… unless, perhaps, you clip a glaring, silly-looking book light to it.
Then there’s the slow refresh rate, the headache inducing let’s-invert-the-entire-screen page turns, the…
Never mind. The ONLY thing e-ink had going for it was battery life, and today that’s simply not enough. The sooner it’s relegated to the technological scrap heap, the better for us all.