Pleased to report that they ski exactly the same as my pivot 15 raws. Toes are identical. One thing I noticed is that the heels step-in easier vs the 1.0s --- I think the arms aren't digging into my ski boots anymore thanks to the slight bend in the arm, so the effort to "click in" feels much lower. The dildo points up at a slightly higher angle when in the boot, so they might have re-worked the geometry a bit as well.
Outside of that, there's no real reason to upgrade unless you want to spend ~$20 extra for an extra 10mm of BSL adjustment, which *might* save you a remount if you get new boots. I suspect most skiers won't care, but shop techs are prob rejoicing.