^That's wild. I came VERY close to pulling the trigger on a used 5Dsr. In reality, I probably should have just gotten it, but I felt like I'd be kicking myself for missing out on some of the mirrorless features. Some of the focus tracking and mirrorless capabilities see to be a huge jump forward over conventional mirrored cameras (which are already good). In many respects, the 5dsr would have been a better fit for what I'm currently doing. With both cameras, I'm going to be the weakest link.
Oh well- no turning back now!
I'm watching videos right now. This newfangled (to me) focusing stuff almost seems to take the sport out of it (compared to my 5dIII)