Saw this Olympus patent on the net.
6-24mm f/1.4-1.8 lens (28-112mm eq.), should Olympus go this way will mean that the next XZ series will use a 1/1.7" sensor.
Very interesting! Seeing the XZ-2 IQ and all the potential improvement on sensor in a years, 1/1.7" is totally acceptable to me.