<img align='left' src='http://photos.macnn.com/news/1002/amazonkindle2-2sm.jpg' border='0' width='176' height='120' />Amazon has hinted at a significant change in the philosophy behind its Kindle readers with job listings at its hardware design group Lab126. One, for a Hardware Display Manager, asks for a veteran recruit with experience in the LCD market and suggests Amazon might move away from e-paper displays. It has normally used companies like E Ink (now owned by PVI) exclusively for its e-book readers....