Capdase now makes many "classy" leather cases; the Bifold Style version is sort of like a bifold wallet, only with an ID card slot, a thin pocket for a credit card or two, and an area to place your second-generation iPod nano with wrapped earphones. The nano's held in with clear plastic clips, nothing else. You can detach the earphone holder and attach an included, color-matched wrist strap. Black and white versions are available; a subtle magnetic…