Here are some details straight from amazon:
Slim: Just over 1/3 of an inch, as thin as most magazines
Lightweight: At 10.2 ounces, lighter than a typical paperback
Books in Under 60 Seconds: Get books delivered wirelessly in less than 60 seconds; no PC required
3G Wireless: 3G wireless lets you download books right from your Kindle; no annual contracts, no monthly fees, and no hunting for Wi-Fi hotspots
Global Coverage: Enjoy 3G wireless coverage at home or abroad in over 100 countries. See details. Check wireless coverage map.
Paper-Like Display: Reads like real paper without glare, even in bright sunlight
Carry Your Library: Holds up to 1,500 books
Long Battery Life: Read for up to one week on a single charge with wireless on. Turn wireless off and read for up to two weeks.
Social Networks: Share your passion for reading with friends and family by posting favorite passages to Twitter and Facebook directly from your Kindle
Built-In PDF Reader: Carry and read all of your personal and professional documents on the go. Now with Zoom capability to easily view small print and detailed tables or graphics
Read-to-Me: With the experimental Text-to-Speech feature, Kindle can read content out loud to you, unless the rights holder made the feature unavailable
Large Selection: Over 600,000 books and the largest selection of the most popular books people want to read, including 109 of 112 New York Times® Best Sellers, plus U.S. and international newspapers, magazines, and blogs. For non-U.S. customers, content availability and pricing will vary. Check your country.
Low Book Prices: New York Times Best Sellers and New Releases from $9.99
Out-of-Copyright, Pre-1923 Books: Over 1.8 million free, out-of-copyright, pre-1923 books are available to read on Kindle, including titles such as The Adventures of Sherlock Holmes, Pride and Prejudice, and Treasure Island. Learn more
Free Book Samples: Download and read first chapters for free before you decide to buy
Do you have a Kindle? I'd love to hear your review!