Replacement for the Nikon D90 and D800, When?

I've decided to write this post because I'm very frustrated with the marketing strategies that Nikon takes. Tell me, I'll much time do we need to wait until we see a fresh and brand-new DSLR camera, which will replace the older Nikon D90 already. Dumb and rumors, especially on Nikon rumors websites, which talk about a new Nikon D800 camera that will replace the Nikon D700, and probably a new