That's not quite how it works. It depends on when the cancellation is made.
If someone cancels their EB order just before it's in, the stock doesn't magically vanish from existence. EB will still have it available on their site as a preorder/order, but that said, there's no guarantee you'll happen to catch one fluttering from unavailable to available before someone else does. This happened with Unicron also. [so you're telling me there's a chance.gif]
But more than likely, it's going to be this: