I'm trying to get used to it. I love that momentary feeling of awesomeness when it unlocks nearly instantly.
I can't get used to (so far) the order of screens. Feels like there is an extra. The Always On Display throws me off. I want to swipe it out of the way, then scan my eyes, but I first have to clear the AOD, then swipe up to get the Iris scanner to come up.. totally ruing the iris scanner being better with gloves on!... I appreciate why the did it, but it is a second (third?) touch of the screen, when my finger is only millimeters away from the finger print scanner.