I have a 09 Dragon 163, and just picked up a 09 Assault last friday. I rode both of them on Saturday, and didn't have any trouble with the sidehilling. I use countersteer to hold on the hill. The suspension is way too stiff on the Assault, and I did a few changes yesterday to lighten it up. I changed the rear springs to the same that are on the Dragon rmk stock, and can actually get the back to move a little. I have the Walker Evans non springed shocks up front and will be playing with the pressures this weekend to get a little movement from them. I think you will be a lot more happy with the side hilling with a little less suspension stiffness, and it will allow the ski to set a little better into the hill. I'll have more info after the weekend on if it works any better.