No, they will be way too sitff for 90
you don't want 2x4 do you?
just take the invaders, I'm 125 lbs. and I'm planning on buying them too.
Go on backcountry.com they have a good deal on them
and remember the longer the ski the stiffer its gets, so take a size ski that is rather long.
And the ski will be more stable especially at high speeds.
how tall are you?