I may be in the same boat. At least for awhile. I will probably buy a new camera sometime in the next year or so as I have decided that if I start going on major photo opportunities I'll have a second body. But, so far the 5DIV has been working well for my current needs.
And while the R5 is checking boxes for what I have ultimately decided I would like to improve upon my 5DIV, I actually think the biggest advance is not the fps/buffer size, etc that we are talking about. But rather face/eye/head detection. If a photographer is willing to "surrender" control to the camera, it seems that the R5/R6's system is now good enough, while taking photos of people/pets/etc, all you have to worry about is settings and composition.
And to a photographer that is shooting in "P" mode, think about it, they do not even have to worry about settings, they just point the camera, it will find the heads/faces/eyes, pick the settings, so all the "photographer" does is compose the image and snap the picture. This is an amazing thing for people just getting into photography, especially, say, young parents.
While I do remember manual focus cameras, I am very much used to autofocus but having to control everything else: settings, composition, and AF point location. As with others, I have become used to selecting AF location with the joystick to the point where I looked back at some family events and I do occasionally miss an eye or so, but I generally did not consider this to be a "need." But, I have to admit, playing with this on even the M6II, it is remarkable, and the R5/6 are supposedly better.
I think when people look back, this is going to be the major advancement here. I have heard a couple of the portrait/wedding photographers that have had hands on experiences comments like "tack sharp images on the eye every time at f/1.2"....
For example:
https://www.youtube.com/watch?v=_byYwav5ccM&t=595s
~11:10 has a comparison of similar images taken with R5/R6.
So, I still believe in shoot until you identify a need. So, I am not one of those that are running out and getting this. But, from the sidelines (for now), I am impressed.
Ok...I do not shoot this way, but if I did, that is cool.





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