Hi Im 11 Years old(will be 12 next season) And im wondering which ski is for me. Ext's, Threats or El rays,I'm 5'1 and looking for a good ski. What out of those ski's would be best for jumps, I'm still looking for flex for rails but my skiing is 80% jumps. I want Either 149 ext's. 151 Threats or 157 El rays.Please Reply,Peace.