12 questions on the Olympus OM-D/ Lumix GH3 - before I take the 4/3 plunge

to me it sounds like a GH3 is for you. the IBIS on the Oly is usedful for handheld macro but you use tripods - there are no stabilized macro lenses for mft AFAIK. as you know IS is not nearly as necessary for UWA shooting like your landscape photography.

however you may start to enjoy IBIS depending on if you go with Oly lenses and perhaps leave the tripod at home. or just buy the panny lenses with OIS in them.

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