Now that it's been established that Anu hijacked the Godhead's dream and is now dreaming Nirn, what is the Godhead actually doing? Dreaming nothing, or has it carried on with the other Eleven (or even Twelve) Worlds?

My understanding of the Anuad was that Anu took parts of the Twelve Worlds to make Nirn, and then slipped into his own dream, achieving Amaranth. But he only usurped the Godhead from Nirn, so the Godhead could still in theory be dreaming the other eleven worlds in their various forms, it's just that Anu is no longer aware of them, and so we (from the viewpoint of Nirn) don't hear about them.

This is where Anu becomes the Amaranth. Everything in the http://www.imperial-library.info/content/childrens-anuad after this line happened in his Dream. Anu did not usurp the Godhead's Dream. He did, however, "steal" images from the Godhead and made them part of his Dream. Namely his old identity and the image of Padomay.

The Godhead is probably still Dreaming of the dead Twelve Worlds. Or something different. We do not know. We cannot know. And it is not relavant to the Aurbis.