Nokia's big announcement isn't until tomorrow, but it looks like some of the surprise has now been spoiled by a leak out of Nokia World in London. As you can see in the image above obtained by WinRumors, Nokia is apparently set to announce the Lumia 800 and Lumia 710, both of which of course run Windows Phone, and each of which have turned up in some less-than-clear leaks before. In fact, we just got a hold of a shot of the 800 earlier today ourselves (looking a lot like the company's Meego-based