Has there been any word on what will happen to an old iPhone if it is replaced with a 3G model? Will it be completely locked again or could it be usable as an ipod and for apps (itunes remote)? You would think that Apple would like to avoid thousands of cheap phones flooding eBay and eating into 3G sales. Besides, for what we paid for the phone it should continue to do something after we spend even more money... What do you guys think?