Well, it was my birthday recently so I've just ordered the M1 with lens D. That should free up my original M1 so I can play with a front-facing zoom lens
My vote would be to replace the 90º lens on the M1 with a wider one or buy a new wider lens M1 as a temporary camera until something better comes along that is small but with better night performance. My rear Mobius is a "B" lens which I find to be just about perfect for my needs. Since the B lens is no longer available, the current C2 or D lens set to narrow would provide similar coverage.
Well, it was my birthday recently so I've just ordered the M1 with lens D. That should free up my original M1 so I can play with a front-facing zoom lens