When Sony and Amazon first got into the e-reader business, they were considered a new breed of luxury items. The first generation Kindle retailed for $399 and the PRS-500 was $349. Needless to say, only the most hardcore of readers were buying into the new way to consume digital books. In the last few years, you can pick up a ultra modern device for $79. Whats changed? Amazon, Barnes and Noble, and Kobo are in the race to the bottom. They are forgoing a number of critical features to be able ...