Why I upgraded to the A7rV and why you should not expect Sony to make a 100MP camera any time soon!
Sony A7rV Preorders:
In US at BHphoto, Amazon, Adorama, FocusCamera, BeachCamera, Buydig.
In EU at Fotokoch, Amazon EU, FotoErhardt, Calumet DE, WexUK. ParkCameras UK.
In Australia at CameraPro, Camerahouse, Sony.