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I'll pull from the shadows a lot, and I don't think the dynamic range is anything to write home about. In all seriousness it's only slightly better than the 5D2, and no banding (which also helps). Highlight tone priority helps, but only by about half a stop and it limits the ISO. Pulling from the shadows works better with the OM-D, and that's a 16MP sensor on a fourth the area as full frame.
Artsupreme is right, it is what it is. Once you have shot RAW with both systems, you will know the difference.