Chris just grap a monopod ? job sorted, we have survived up till now without image stabilisation, use you skills as a photographer, or buy a fuji 50-140 with stabilisation.
I shot a two gigs recently in very dark conditions and i got the shots that i needed no problem and that was with the xpro 2 and i often use the xpro 1 at gigs and use manual focus and peak focusing and again getting the shots , we surely don't want the camera to do everything and lose its soul like the DSLRs and the awfully ugly Sony cameras do we?
Just a thought, i couldn't care less about IS and it may even put me off as taking pics is an enjoyable challenge instead off sitting behind a do it all tool we get to think our way through a shoot and get better pics from it in my opinion.
Cheers.