Replying to Rossignol Slat Mounting Point

I recently purchase a new pair of Rossignol Slats and I am very pleased with them. I had them mounted at -3 from true center and I'm thinking of moving my bindings to -2 or even -1. I do not want to do a full center mount as they have a directional side cut and visually more tip rocker than tail rocker. I've been reading a lot about Rossi skis and they mostly seem to recommend -1 for freestyle. The slats have a line at -6 and at -2. I plan to be riding about 50% park 50% all mountain. All mountain will consist of jibbing and buttering shit, dropping cliffs and doing moguls, and a little bit of carving around. I live in the east so pow isn't really a priority, although if have skied pow a crazy amount this year. If anyone has any experience with these or suggestions please weigh in.