Replying to Ski choices.

So I'm 14, 5'8", about 145 w/out gear. Last year was my first year skiing and I picked it up pretty quick (By the middle of the season I could ski all the blacks at the local mountain well). I went into the park twice, and hit a few jumps, but nothing big. I want to buy skis this year but I'm not too sure what to look at. Ideally, I'd find some of last years K2 Silencers or something for under $150 bucks and ski those for a year until I find out what I really want to do, but I can't find them in stock anywhere. What I THINK I want is a all-mountain ski, but I know I'm going to want to ski backcountry/pow as much as I can so I'm not sure if I should get something with a little rocker. Unless I find a super cheap ski as I mentioned before, I'll keep these skis until they snap/delam/turn into noodles, so I want something that I can progress a lot on. So what skis should I be looking at?