I had a five-point wish list for the 5DS/5DSR and got one (resolution). My list for a new 1DX is not much longer. I am very happy with the ergonomics as they are, so they don't have to change that to tempt me. 12 fps is sufficient for me and as long as buffer size remains at least where it is today, I'd be happy to stay with CF cards. I see some worry about broken pins. I have taken these cards out and reinserted them hundreds of times and I have never broken a pin, except in a memory card reader, with a very shallow connection slot. I expect all the relevant improvements we have seen on the 7DII and 5DS/R, as good or better, will be included.
For the 1DX-II I have a six-point list;
- If they could push resolution to app. 28MP, I would be happy.
- Low ISO DR should get a good push and we should see improvements on higher ISOs as well.
- Noise performance on all ISOs should improve and if I could get usable ISO51200 images, I'd be happy
- More and wider spread cross type/dual cross type AF points and improved tracking of (fast) moving objects in complex situations.
- Improved manual focus capabilities, which could be accomplished in several ways. The preferred would be to have improved AF point confirmation accuracy (to f1.4). A good alternative would be a high precision focusing screen
- Improved connectivity to other systems (USB 3.0, wifi, bluetooth) and a built in remote flash control would be nice.
I know from previous experience that I never fall in love with any menu system, but I learn to live with what I get. I suppose this will be the same here. I have learned my way around the 5DIII/1DX hierarchy, so hopefully not too many changes. Improved options to customize menus to include the vital few for the shooting situations that are important to me would be good. I haven't done video since my children were small (about a century ago), so I do not see that I will start now (maybe I'll get some grand children ??).
So, like everyone else with an itch, I'll cross my fingers and wait patiently ...