http://spectrum.ieee.org/tech-talk/c...me-the-display

"...But the choice of LCD technology means that, in spite of the library of e-books that will be available for the iPad, this device no e-book reader. While I’m not an e-book convert myself, the folks I know who carry Kindles with them read them outdoors as much as in, often in sunlight; that just won’t be possible with this LCD display. And, even indoors, they swear that the reading experience—in particular, the eyestrain—is much different than that on an LCD display..."