hey, right now i ride k2 silences 167, love them but looking for a ski a lil more park oriented and a hell of a lot more durable, and have them mounted about 4 cm back from center. i plan on riding them about 50% in the park and the rest all mountain i looking to get chronics at the end of the season and dont know weather to get 171's or 176's. im about 5 10 and around 145 pounds. i plan on mountin them either 1 or 2 cm back from center and i hered that centermounted skis ski shorter. so if anyones knows what i should to let me know