iStyles has introduced its Crystal Case for iPod nano (with video). The Crystal is a two-piece hard case made from translucent impact-resistant polycarbonate, and features built-in screen protection, open access to the nano?s Click Wheel and headphone jack, and a flip-down Dock Connector door for added protection. The iStyles Crystal Case for iPod nano (with video) is available now in five translucent colors and sells for $10.  ...