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MartianManThe AR7 and Sammy are both very similar skis, with full camber, mid 80s waist, and directional sidecut. I have never seen a review (or even a pair on snow) of the Sammy, but most people really love their AR7's.
The only real differences with the Ace are symmetrical sidecut and two sheets of titanal in the core. It will be stiffer and heavier, but the sidecut helps with swing weight.