New Sony a7rIII, 400mm and 24-105mm FE lenses announced!

Sony announced all this stuff today:
A7rIII at SonyAlphaRumors. Sony.com. Dpreview, ThePhoBlographer. CameraLabs. Hugh Brownstone. Imaging Resource.
400mm f/2.8 FE at SonyAlphaRumors. Sony.com. Dpreview (release is summer 2018)
24-105mm f/4.0 FE OSS at SonyAlphaRumors. Dpreview.

Preorders (Preorder start October 26 at 10am NYC time):
A7rIII at Amazon, Bhphoto, Adorama.
24-105mm at Amazon, Bhphoto, Adorama.