so as of now im learning park shit am a pretty good skier and have allot of shitty gear.i have 3 year old nordica ztt's 150cm salomon 710 demo bindings and salmon performa 5.0 2 sizes to bag my question is what should i focus on the most on buying next? what would help my perfromace the most? im 5'5 120lbs and can do like 360's 180's and stuff so far