Otterbox has rolled out its new Studio Collection cases for the iPhone 4 and iPhone 4S. Based on the company’s Defender Series case, each of the new Studio Collection cases features custom designed artwork—Monique Maloney and Evan Mann are the first featured artists—on the rear, while maintaining features such as a three-layer design with an inner polycarbonate layer, an outer silicone layer, a built-in screen protector, push-through…