I'd say it's a must if they want to stay relevant to this market segment. Looks like they got some inspiration from the good folks at Panasonic? :-) Glad to see they added the interocular adjustment, that was the one thing I was missing.
Oh NO. Let's just try and do decent stuff in good old 2D, that's hard enough surely, and how awful is it to sit in a cinema wearing those darn glasses and trying to see a sharp image. Progress is not always progress.