It also looks like this tablet had been stuck in a box labeled for the 16GB model, which could explain how it slipped through the system. It's a pity that this guy got the wrong box; had it been labeled correctly we could have used those details to dig through Google and the various retailer websites and hopefully turn up something useful like the retail price, actual release date, and so on.
Still, this leak at least tells us that the new tablet is going to be available soon. It's already coming off the assembly line and being boxed up; that puts the official launch not more than a couple weeks away. And that means the Nexus 7 32GB could be revealed just in time to be rendered inadequate by the new iPad Mini.