AVA Showcase has introduced the Nano Element, a chrome-plated ABS plastic case for iPod nano. The case features a clickwheel film layer, a built-in on/off switch, and a screen protector to prevent scratches to the liquid crystal display. Each case ships with a lanyard, soft earbud pouch, and AVA Cable-Grip for easy cable management. Nano Element cases are priced at $25, fitting 1GB, 2GB, and 4GB iPod nano models. The new cases are slated for shipment on April 21st.