NO. Canon, please DO NOT turn the 5D3 into a D800!!! Not that it looks that way if the latest CR rumored specs are spot on or even close to being accurate.
Now it's Canon's turn to make an announcement. Please give us a low light shooting (100-12,800 or 100-51,200 native ISO), moderate FPS (5-6 FPS), with the 1D-X's 61-pt AF system (or something "similar"...maybe with fewer pts). For the quoted asking price of $2700 USD. Make us happy!! (or some of us)