Schuster

I have been using my iPad Pro instead of my MacBook Air for travel.  Even uploading the JPEG's from the 100s and the 50r It's super fast!
I LOVE not having to schlep a laptop, and charger.  
I edited this note to say that I use two SamSung T5 SSD's to store my JPEG's and RAW's.  I the upload "most' of the JPEG's to my iPad which has 1TB of internal storage.  Once Im done reviewing the images on the iPad, I usually delete many of the JPEG"S and am ready for the next days shooting.  I also have synching back to LR turned off as the medium format files quickly clog up the transfer so I don't bother.
 
 

the pixii does that
 
but in all seriousness, the smallest ipad can easily transfer your images from the card to any drive. i don't have a laptop anymore and just use my ipad pro for everything. you'd need a card reader and if you don't have one with usb-c already i recommend you get one of the hubs with integrated readers so you can directly move files from the card to your drive. just make sure it's from a reputable brand as i got one once and was unusable because it was too slow

You certainly can copy your images from the card to the iPad, Apple sells USB-C to SD readers as well as Lightning to SD readers, it may be possible to use a USB-C TO USB-C cable to connect the camera directly to the iPad and copy the images, but I have not tried that approach. Third party vendors also sell readers for that purpose.
Using the iPad as a backup may not work as well as you want, one SD card can hold more images than most iPads have free storage space available. Even the largest capacity iPad would be hard pressed to backup four to six weeks worth of work unless you are only going to shoot a few small jpegs a day. It is a lot cheaper to get a handful of SD cards and use them as backups, copying to them the images you review and want to keep. Or get a higher capacity external USB drive and use it to store the images from the iPad. In case of disaster, try both routes.
https://support.apple.com/en-lamr/guide/ipad/ipad75b7b23f/ipados

I've been using the 30mm lens and it is truly amazing.  I don't place a lot of ( never mind:  ANY) credence on crap posted online.  I do my own testing out in the field.  I spent three weeks in Michigan's Upper Peninsula and four weeks in Colorado and my most used lens was the 30mm 3.5, and the 100-200.  BOTH of these were amazing.  I couldn't be happier.

Only thing missing is the film camera options. In addition to all my digital (9camera) I have the gw690

What are you "voting" on?
Listing what one owns is not voting. It is a simple statement of fact.

For portraits: the 110mm is gorgeous at F2.0 and 2.8, best portrait lens I've ever had and I rate it 10/10. Everyone expects a lot from the new 80mm too. The 250mm is also really nice for portraits, 8,5/10.
The 50mm is said to be slightly better than the 45mm which I have and rate 7,5/10. The 30mm I haven't used very much yet, 7-8/10 for the moment. The 63mm is OK but nothing really special, a 7/10. The 120mm is really sharp, could be good for landscape but a no-go for portraits.
I had the 32-64mm, it's really sharp but has -imho- no character, 5/10. I really dislike zooms so I'm totally biased .
 

XF lenses do not work on GFX cameras. Their image circle isn't large enough to cover the sensor. An APS-C lens covers about 25% of a GFX sensor. Some full frame lenses work with a GFX but only restricted to a smaller part of the image (about 70% of the GFX sensor).
I've worked with the GFX50S and shortly with the GFX100 for fashion and portraits. The combination of the 32-64 and the 110 works very well. Alternative is the 45-100. For landscape I can recommend the 23. Combine that with the 45-100 and you have a nice kit covering most.
You also mention longer glass (XF50-140). Note that for GFX there's essentially one longer prime lens: the GF250, which is a bit shorter than 140mm in APS-C equiv.) and one zoom: the 100-200 (a bit over 100mm in APS-C). Both are massive and quite a burden to carry around. Fuji claims that the GFX100S is only slightly larger than a full frame mirrorless, but that's only half the story. When you take the lenses into account it is considerably larger and heavier to carry around compared to full frame.
Although the GFX platform by design is well-suited for landscape, there's only one native real landscape lens (23). I guess there's room for a wider lens there. There are some third party options but at a lower quality standard (and price level).