You could try to go to an Apple store and see if they have any of them in stock. You might get lucky. They typically stock the 8/256 and maybe 8/512 in the stor

You could try to go to an Apple store and see if they have any of them in stock. You might get lucky. They typically stock the 8/256 and maybe 8/512 in the store. Not sure if any of them will stock a 16GB model.