Though it must scare the crap out of the publishing biz, we will all one day carry ebook readers. In the US, Sony and Amazon have led the way with impressive E-Ink systems that prove that digital displays can be as readable as ink on paper. For this holiday season, Sony presented the $400 PRS-700 Reader, designed to improve on minor gripes we reviewers made in the past: It has a touchscreen, a sidelight and a cleaner button interface. Unfortunately, the "improvements" have taken away the very essence of the Reader—the easy-on-the-eyes screen. Read on to see why, if you buy this, you are dumb.