Based on the company's earlier Defender Series cases for the original iPhone and iPods, OtterBox's new Defender Series case for the iPhone 3G ($50) is a heavily element-resistant, ruggedized rubber and plastic design that enables you to use the iPhone 3G under virtually any condition short of submersion in water. A special hard plastic shell holds the iPhone 3G snugly inside, while a rubber outer covering plugs most of the case's holes against sand,…
