you shouldn't be looking around here - it can be expensive! The real crucial issue that dawned on me today is that, for longer lenses, the IBIS also steadies the viewfinder, so that for manual focus you can half press the shutter (image stabilises) then manual focus and press the shutter - it works very well.
Weather here ghastly as well (specially for the Jubilee celebrations). I'm not waterproof either, but I have one of those coat thingies which is
. . . but here are a couple with the OMD and the Leica R 180 f2.8 APO.
p.s. I'm glad these are on a new page, as they aren't as good as yours and Terry's