We knew this one was coming, but it was no less impressive once we finally saw it. With a number of UI updates, a completely revamped form factor (including that pencil-thin thickness), and the controversial new text-to-speech option, Amazon's second stab at an ebook reader didn't disappoint. After a launch that had the backing -- and presence -- of Stephen King, there's no question that the Kindle 2 is a force to be reckoned with. Can the reader match up with Amazon's ambitions? Get the full story below.