Another day, another major announcement from Microsoft -- and yes, another round of opinions from your humble team at Engadget. Today it's Windows Phone 8, the (finally) formally announced successor to the company's mobile platform. Rather tragically, there's no upgrade path from any current Windows Phone device. Your hot new cerulean blue Lumia 900? It'll be obsolete this fall. Join us after the break to get our thoughts on that and all the other bits of information gleaned today -- right after you read our initial thoughts from the origina
