The iPad 2 is thinner (0.34 inches) and lighter (1.35 pounds) than the original iPad or any of its competitors. Motorola Xoom is the first device that’s seen as a legitimate contender for the iPad, was released just a week ago. Apple’s iPad 2 has made some significant improvements that should keep it in the lead until its rivals release their own second-generation tablets in the future. Android tablet users will have to wait until developers become more accustomed to the “Honeycomb” edition of Android before they start churning out apps.”]