Slimmer and sleeker looking than the original Kindle; large library of tens of thousands of e-books, newspapers, magazines, and blogs via Amazon's familiar online store; built-in free wireless "Whispernet" data network--no PC needed; built-in keyboard...

No expansion slot for adding more memory or accessing files; files such as PDFs and Word documents aren't natively supported and need to be converted at 10 cents a pop by Amazon; no protective carrying case included; battery is sealed into the device...

While it's short of perfection--and remains fairly pricey--the Amazon Kindle 2's improved design, built-in wireless capabilities, and user-friendly interface keep it atop the e-book reader heap in the U.S.

Excellent high-contrast screen does a great job of simulating a printed page; large library of tens of thousands of e-books, newspapers, magazines, and blogs via Amazon's familiar online store; built-in free wireless "Whispernet" data network--no PC...

Design is ergonomic, but not very elegant; pricing for nearly all the content seems too high, especially considering the periodicals and blogs are available for free online; black-and-white screen is fine for books, but less impressive for periodicals...

With its free built-in wireless capabilities and PC-free operation, Amazon's Kindle holds a distinct advantage over Sony's Reader and is a promising evolution of the electronic book--but Amazon needs to bring down the pricing for both the device and...