Local dealer, CameraWest in Walnut Creek, had one GFX that arrived yesterday:hey also had two X1D's that sold out immediately. I bought it today and I'm in the process of testing it along side the Hasselblad X1D. Briefly: GFX is bigger than I thought but ergonomically very comfortable, and has an interface that's a bit complex with a number of very intriguing features, which are highly customizable. ( see the fuji guys recent highly informative video on their youtube channel)
The X1D's interface is much easier to grasp without immediately consulting the manual, and, if you're familiar with the Hasselblad H6D, you will not be disappointed. Overall, both systems will most likely appeal to a broad number of users.
Best regards,
Ron