Griffin Technology has introduced its new line of cases for the iPhone 3G. The Wave for iPhone 3G features wave-shaped contours that overlap and interlock in a double-helix closure. The form-fitting polycarbonate case also offers full access to the iPhone’s ports and controls, and will be available in black, blue, pink, or white. Griffin’s Nu Form with EasyDock for iPhone 3G is an impact-resistant, hard-shell case featuring an EasyDock…