Somewhat interesting in the specifics, iFrogz' new Motion Armband for iPod nano ($25) is a protective neoprene and clear plastic case with a detachable clear hard plastic belt clip and also detachable soft Velcro and fabric armband. While the armband's on the small side, the case provides complete coverage for the third-generation nano's face, back, and sides, and the fully modular nature of the belt clip and armband are a nice change from other inexpensive…
