I agree, buying in a shop is always the way to go when dealing with this kind of merchandise. Or maybe if you have a good dialog with a seller who can double check the item before shipping it, snap some pictures and so on.
Good thing you brought it up. I´m going to send an email about this. Ask ze germanz to do a quality check before shipping... Otherwise, with my luck, I´m going to get a tank from a bad batch again.