I'm stunned that some people in here are implying that you can't manually select the AF point while shooting with the EOS R. The spec sheet (even the leaked one I'm pretty sure) and the hundreds of videos on YouTube say you use the back of the screen to drag the AF point manually. To me, this sounds MUCH faster than using the joystick on the 5DIV.
Also, (on paper) this camera acquires focus faster than ANY other camera on the planet. Period. 0.05 seconds. I am thinking this camera will be an absolute AF beast. If you shoot professional sports, sure there aren't enough FPS. For everyone else, this camera will outperform AF expectations (including ease of manual AF point selection).
I have pre-orderd, and yes, I am selling one of my 5DIV. I genuinely believe the R will be a much nicer camera to use, and I am postive it will outperform the 5DIV in all aspects of AF.