Revive the XA series. Sony has thrown the gauntlet. Respond with a new classic.

Was thinking about what I want in a compact large sensor compact.
I want the digital version of the XA series.
4/3 sensor
X A dimensions
Sliding power switch/lens cover
Fixed prime non extending lens.
Fast and good quality lens
28, 35, 50mm equiv.
Optical Viewfinder
Smaller rear screen 2.5" to keep things small.
Mechanical gear manual focus
Offer battery grip
Sell for $850
What am I missing?
Do you want to see this in 2 years?