The screen is one you've seen before: the 6-in. E Ink screen in Barnes & Noble's new Nook e-reader is the same one in Amazon's Kindle 2. It's the stuff around and behind the screen that makes the Nook cool. Like that color touchscreen right below it, adding some flair and speed to go with the poky, drab E Ink display. Or the support for wi-fi, SD cards and PDFs. Or the powerful, flexible Android operating system that the whole package runs on. The Nook also comes with a classy book-lending feature: you can let other people read your Nook books for up to two weeks, just like paper books. Price: $260.
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