It is a controversial project, strongly opposed by some Japanese architects (it seems they’re leaded by F.Maki). I guess from now on, we’re going to meet more news about the same subject. I bet you’ve already seen it but I couldn’t miss it, it is too gorgeous!
Here a rendering shot fromthe vimeo video :
a bit Off Topic.
Here I found some of the best shots of Tokyo’s architecture. Please check them out, they’re really amazing!