Case-mate today announced two new leather cases for the second-generation iPod nano. The Signature case (shown) is a form-fit case featuring an injection molded, impact resistant plastic shell, a screen and click wheel protector, as well as a belt clip with a 360-degree swivel. The case is available in black, white, and red for $25. Case-mate’s Luxe case is identical to the Signature case, but with Swarovski crystals arranged around the click wheel. The Luxe case is available in white with pink crystals, blue crystals or green crystals for $30.