if you want to, get the 181s and mount them 3 forward from recommended. I wouldnt suggest center mounting them as if you are learning park, you are also learning new aspects of skiing (which we are all learning everytime we ski). I think you will find 176s too short and will want longer skis next year. Trust me, at 6ft, a 181 mounted slightly forward of traditional is what you want. If you center mount them, it will ski like a 174ish. To keep it slightly more all mountain, dont center mount.