I think it's a cool device, it's way better than the first version, here are the features (Source amazon.com):

* Slim: Just over 1/3 of an inch, as thin as most magazines
* Lightweight: At 10.2 ounces, lighter than a typical paperback
* Wireless: 3G wireless lets you download books right from your Kindle, anytime, anywhere; no monthly fees, service plans, or hunting for Wi-Fi hotspots
* Books in Under 60 Seconds: Get books delivered in less than 60 seconds; no PC required
* Improved Display: Reads like real paper; now boasts 16 shades of gray for clear text and even crisper images
* Longer Battery Life: 25% longer battery life; read for days without recharging
* More Storage: Take your library with you; holds over 1,500 books
* Faster Page Turns: 20% faster page turns
* Read-to-Me: With the new text-to-speech feature, Kindle can read every newspaper, magazine, blog, and book out loud to you, unless the book is disabled by the rights holder
* Large Selection: Over 245,000 books plus U.S. and international newspapers, magazines, and blogs available
* Low Book Prices: New York Times Best Sellers and New Releases $9.99, unless marked otherwise.