What's next for Kindle hardware? Well, a credible source has told CNET that Amazon will unveil a second-generation Kindle Fire this summer and that it's targeting July 31 for a launch event. While we can't confirm the date, there's been plenty of chatter about new Kindles coming soon. Most recently, DigiTimes, which has been pretty spotty on the rumor front, reported that Amazon was "considering launching" a new $199 7-inch tablet with a higher resolution 1,280 by 800-pixel display "at the beginning of the third quarter." Read the full story at CNET.