Kindle 2 is the newest unit that's brought about by Amazon. No doubt, this one also gained much popularity because of the many features that it bears. Despite the fact that it's not touchscreen just like Nook, this gadget is loaded with a lot of wonderful things which include its huge storage capability, text-to-speech feature, compatibility with several types of formats and files such as PDF, MP3, and HTML, and best of all, the availability of its wireless connectivity through Whispernet technology.