1. Kindle 2 International Edition
Amazon
$259
When it was released last year, Amazon's Kindle quickly outshone the previously released Sony e-book reader, thanks to the inclusion of free, high-speed wireless access that lets users download books on the go. The retailer's superb follow-up this year offered a much-improved design and wireless connectivity that lets users download books outside the U.S. for a fee. But Amazon (AMZN) will have to keep innovating to stay ahead in a market that's quickly getting crowded with devices from rivals, including Barnes & Noble (BKS).
