If the phone isn't on sale until the 23. of september which was suggested, selling it to the customers will be a challenge. Isn't the Nokia World on the same day?
And they're announcing the first wp there. And if the talk about the faster launching is correct, it's probably on sale within a month.
Or maybe that's what Elop's trying to do, making people forget about the N9, the leaked Sea Ray clip would certainly suggest so.