Just got back from Breck and Keystone and these goggles are awesome! They were fantastic when it was overcast, and they were a must for night skiing. I didn't realize how much they helped until I lent them to a friend for a run and could hardly read the terrain. Worse yet, he didn't want to give them back! Plus the fact that you can switch out the lens on bright day makes these the ultimate. Can't go wrong with these.
p.s. I had no problem fitting these with my helmet, although maybe that was just my particular set-up...