As far as I am concerned, the only reason I could possibly consider these newer sensors is if lens cast is better on it then on the IQ260.
The never ending race for more and more resolution makes little sense to me and almost every other pro I talk to about it.
For post production I need big files. I prefer to draw masks at 100% than at 300% magnification.
However, my P40+ is enough for all my work, 60 MP would be the maximum. More would slow down the retouch process.
(But you already know, Joe, I spent my money for a fast race bike. So there is anyway nothing left for a 60 MP back.
)
Lens cast is a pain. I really like the SK 28 XL and the other Schneiders from 24 to 72, but the lens cast can be very time consuming
and the CF in backlight can destroy the picture.
I also have the Rodie 23 and the 28 HR but they have other weaknesses.
I really wish to have a back without cast.
And by the way, the screens on all the backs are embarrassing,
Regards,
Ben