It must be iOS Case Day. On top of Mophie’s $79 ultra thin 1500mAh Helium juice pack and Logitech’s Ultrathin keyboard cover for iPad mini, both Griffin and OtterBox have also announced two new offerings on Tuesday. Griffin unveiled its Designer Series ”emblazoned with designs from new and emerging artists,” such as Andrew Vastagh, Bill Caywood, BJ Barbee, etc., and Griffin’s
