IGN has posted the first look at NHL including both info on the game as well as screenshots. The write-up can be found by clicking here and the screens can be found here.
-Enhanced skill stick options for one on one situations
-Improved skating and defense control
-Lag free online experience
-Real hockey drills replace mini-games
-60 FPS
I got a chance to see it in action at the media day last month however am unable to comment on it at this time. The screenshots look fantastic, the graphics are clearly top notch.