Diehard Apple fans who upgrade devices each year and those who’ve been wanting an iPad and waiting for the new one to come out will likely line up at the store first thing March 16 to get their new toys. But rational human beings wondering whether to upgrade from the iPad 2 (or even the old iPad) are probably asking: “Wait a minute, which iPad should I get — and just what will I be paying for in terms of upgrades?” We hope that our visual price guide will help make your decision easier!