Amazon recently announced its upgraded Amazon Kindle Paperwhite 6" eBook Reader, now with a 300 ppi screen. (Its predecessor had 212 ppi.) The newest version starts at $119 for WiFi only, or get it with WiFi + free 3G from $189. Other features include an adjustable light, 802.11n wireless, and free cloud storage for all Amazon content. It's scheduled for release on June 30.