With Free Kindle for PC, you won't have to buy the Kindle reader any more as U.S. customers get access to the full collection of over 360,000 inexpensive and current Kindle e-books. The Kindle has been a very popular portable e-book made exclusively for Amazon, the Earth's biggest store with many e-books exclusive to Kindle. Kindle books are be bought online at the Amazon store and downloaded to the reader. http://www.amazon.com/gp/feature.html/ref=kcp_pc_mkt_lnd?docId=1000426311

Of related interest is that the new iPad also has an app that reads Kindle books. "You can read any book purchased through the Kindle store and sync your location between the Kindle for iPad, iPhone, PC, or Mac" http://www.appcraver.com/ipad-faq-questions-answers-how-to/ This Kindle 2.0 app is available free at Amazon in their App Store. http://www.electronista.com/articles/10/04/02/kindle.ipad.ready.apple.staff.may.get.perks/

Kindle for PC is downloadable to your PC for free. It will let you read all the Kindle e-books sold in your geographic area - over 360,000 e-books are currently sold in the U.S. http://www.amazon.com/gp/feature.html/ref=kcp_pc_mkt_lnd?docId=1000426311

Amazon has received glowing praise for their Kindle app on the Apple smartphone, and as a result has announced a similar application designed for Windows PC.http://gear.ign.com/articles/103/1038416p1.html

If you like the idea of Amazon’s Kindle electronic book reader but you’re not particularly mobile, don’t like the $259 USD price tag, and are actually looking to hop onboard the eBook bandwagon from the comfort of home, then Amazon has just what you need.http://www.thetechherald.com/article.php/200943/4671/Kindle-not-needed-as-Amazon-offers-PC-based-reading

Desktop Kindle software--whether for Macs or PCs--will mark the first time consumers can buy and read books from Amazon's library without owning some other pricey hardware. Except for, uh, the computer itself.http://www.pcworld.com/businesscenter/article/174275/amazon_says_kindle_reader_coming_for_mac_too.html