hello! i am 5´7-8 inch and which ski is best for me i like to jump much and i need a light ski to spin and good to rail too and little good to go in off pist a little and i am going to have marker griffon 12 bindings and full tilt booter and which length och ski should i get the k2 domain 169 or line mastermind 167 cm so please guys help me out and i need a durable ski and i am going to mount the bindings in the middle of the ski so i can ride both switch and forward please answer fast