This is really random, but, seriously check your bindings to make sure they aren't worn out.
I have an old pair of armada ARV's with head mojo 15's, I used them this entire past season, my first season, thinking they were good to go. Turns out, the bindings are super worn down. You can click the boot in, then stand on the ski (so that one foot is behind the heel piece and one in front of the toe piece), and torque the boot side to side as if you were making turns, and it moved a good 3-4 inches per side before it would torque the ski. No bueno, but I thought this was normal.
Just got my new stepups back from the shop, mounted with new sth 14's, and, go figure, no play at all. Super rock solid. I'm excited to see what will happen to my skiing with shit that works...
Anyways, what I'm saying here is test your bindings to see if they are worn out.