According to a report from The Verge their “Sources familiar with Nokia’s plans” say that Nokia is planning on switching back using aluminum for the bodies on their new Lumia devices. More specifically a device codenamed “Catwalk” which is thought to be an update to the Nokia Lumia 920.
The source claims it will be lighter and thinner than the 920. (which wouldn’t be that hard to do) While I don’t know if really care if the device is lighter the thinner I will take. But come to think of it my N8 is not that light of a device. Their is no word yet on the timing of this device other than “later this year”. Perhaps Nokia will release it right around the time the iPhone 5s (or iPhone 6 or whatever they will call it) comes out this year.