Updated from the company's prior Signature series cases for the fifth-generation iPod, Case Mate's new Signature Leather Case for iPod classic ($30) is -- like the third-generation iPod nano version -- sold in black, red, or pink colors, with a "perforated" black version and a smooth black integrated belt clip version as additional alternatives. Each of the Signature Leather Cases uses uses smooth Napa leather that looks and feels nicer than someā¦