The Kindle is interesting, but mostly valuable as a book reader. Their use of DRM and remote-delete to remove people's copies of 1984 was supremely ironic and removed my urge to ever buy one. And while the Kindle is Linux based, it too (like Android) does not offer what one would expect from a Linux environment, intentionally so as it's built from the same perspective as the iPhone (the underpinnings are invisible and inaccessible to you.)