The images show that the iPod nano will undergo a radical redesign, according to MacRumors. The designs are from Italian accessory manufacturer Puro. They appear to corroborate a recent report from Macotakara that predicted a new oblong shape for the device.
The new iPod nano form factor appears reminiscent of the iPod mini, although rumors indicate the front will carry a large screen and home button rather than the smaller screen and click wheel of the iPod mini. Openings along the left edge of the case suggest that the new iPod nano will have some external controls such as volume buttons in the same location as seen on Apple's iOS devices. A pair of small holes are also present at the bottom center of each of the cases, and it is unclear whether these are for a speaker or some other feature of the device.
The images below also show cases for the iPod touch though those look very similar to current design save for a round hole in the bottom left hand corner.
Recent reports suggest that Apple will unveil its new iPods at the September 12th event which will also see the unveiling of the next generation iPhone.
Take a look at the case images below...