Contour Design has introduced its new iSee inked cases for the fourth-generation iPod nano. Made from clear polycarbonate with a snap-together design, the cases feature different patterns etched directly into the case. Other features include full access to all ports and controls, a scratch-resistant coating, and an included, removable screen protector. Contour Design’s iSee inked cases for iPod nano 4G are available now in Swirls, Reverb, Argyle,…