I just finished reading engadgets review of the iPad 4. It says the iPad 4 gets more than an hour of extra battery life over the iPad 3. None of the other reviews I've read so far claim this. You think this is accurate? If so I would wanna upgrade to the iPad 4.
http://www.engadget.com/2012/10/30/apple-ipad-review/
http://www.engadget.com/2012/10/30/apple-ipad-review/