I have decided to go look but which one???? HELP

ive decided to go look but i dont know much about them anybody know which is the best theres so many to chose from im mostly in the park since there is really nothing else at perfect north(midwest) so i want bindings i can jump/grind with that will last.. but i dont know which ones some give me the differece between P10 P12 P14 P18 PX10 PX12 PX 12 ti PX14 ti do i want a lifter or no and if someone could even be nice enough to hit up look bindings at www.dynastar.com and help me chose that would be great any help would be appreaciated i just want look bindings.... but i want ones that wont break and i can beat up