Marware is spotlighting its new C.E.O. Slim Fold, an iPod Nano case made of Napa leather and designed for the business professional. The slim-profile case features a bottom magnetic closure to hold a 4GB or 8GB iPod Nano securely, as well as a top folding flap that protects without added bulk, said the company. Its design is also meant to offer easy access to all controls and connectors. Available in black or brown, the case retails for $24.99.