@Ankorwat. - Please don't waste everybody's time by writing what everybody here already knows: Nikon (Sony) sensors have more dynamic range right now.
I don't think that old bit information is going to cause any Canon users reading this forum to jump ship. Lets all go take some pictures and let this topic die!
5DSr, M5, M1
EF Lenses: 50mm STM, 300mm f/2.8L II IS, 16-35mm f/4L IS, 24-105mm f/4L IS MkI, 70-200mm f/2.8LIS II 600EX-RT (x3), 1.4xIII and 2xIII extender
EF-M Lenses: 22mm f/2, 15-45mm, 55-200mm