With every new iPod and iPhone, AB Sutton releases new pricey but customizable kidskin leather cases that are designed to seriously impress their recipients. This year is no different, as the fifth-generation iPod nano gets a series of interesting designs, most notably two different leather cases that split into top and bottom pieces ($TBD), one with a fully open bottom and the other with only an exposed headphone port, as well as a traditional one-pieceā¦