As one of several workout-ready case designs for the third-generation iPod nano, Marware's new Sportsuit Runabout ($20) is a simple armband with full nano body protection and tiny bottom holes for the headphone port and Hold switch. It is not designed to be used with the Nike + iPod Sport Kit, but does include an extension piece for use on larger arms. Like Marware's other cases, it includes separate screen and Click Wheel protectors -- here, unnecessarily…
