PDO has introduced its Aluminum V2 for iPod classic and Aluminum N3 for iPod nano (with video) cases, along with screen protectors for the new iPod line. Adapted from the fifth-generation iPod model, the Aluminum V2 for the iPod classic is made of aircraft grade aluminum, and features both screen and Click Wheel protection, neoprene interior lining, and cut-outs for access to the Dock Connector, headphone jack, and hold switch. It is available…