I've always been a one digital camera only person and I expect to keep S5ii for hopefully 10 years.Well, I've tuned out now. Nothing to see here. TBH, I'm thinking seriously of an A7RC.
You never know Lumix might make a small photography orientated version. What about a compact FF with EVF/optical or combo without a rear LCD? The last few photo trips I've been keeping the rear screen inverted and only using the EVF and I never anticipated doing this before my first mirrorless.
I hated DSLR chimping