Are you skiing switch much at all? If not get a directional pow ski, they are much better if you're just skiing forwards(I''ve noticed tons of people here talking about skiing pow switch that never have, not aimed at you but just saying). If you are going to be jibbing in pow then NTs of those two would be my choice, and if you are skiing forwards then 192 Lotus 138s=best pow ski ever for you. You're for sure big enough, don't fear the length at all. Just plain out the best feeling in powder you will have if you like surfyness. If you'd rather ski traditional, 190 Bibbys could be a great choice(again, you're big enough. I'm 173lbs and on 202s, skiing all conditions and terrain).