right, im totally new, i dont own a pair of errrm pro-jumps yet but im definately going for a pair after viewing this site, this christmas. The thing is im 63 kilos, considering the m70's but im quite strong and expecting a growth spurt lmao so should i be going for the m80's, also, any super important tips i need for starting off i.e. running, bouncing and time its gonna take to get 'good' thanx guys