Otterbox has debuted its new lineup of cases for the iPhone 4. The Impact Series Case is made from silicone and features inner coring for increased shock protection, push-through coverage for the volume and power buttons, open access to all other ports, controls, and the camera, and an included self-adhering clear protective film. It is priced at $20. The Commuter Series Case is a multi-layer case consisting of an inner silicone layer, a stiffer outer…
