I just came from it, in 3D.
3D wasn't worth it. It is post converted, and while some of the elements, like the computer overlays look great in 3D, very little of the beautiful landscapes popped with the 3D. A couple of snowflakes in China, a little bit of dust, and that was about it.
As a member of Clan Beard MacBearded, I laughed at his goat tuft, because for me, by 7 months in, I am approaching bigfoot levels of beard.
Overall, I loved the film, but...