There's some good advice elsewhere on this thread so I will not repeat any.
The only thing I would add is that if you enjoy webos development; I think there may actually be many good opportunities there. The reason I say this is that there is a shortage of good apps. So yeah you are in a smaller market, but you have a market that is untapped and not as saturated as iOS/Android. Also, it seems HP finally has some new products out/about to come out (Veer, TouchPad, Pre3, etc.).
Anyway, you are young; do what you enjoy now there is plenty of time to learn the theory side of things in University.
The only thing I would add is that if you enjoy webos development; I think there may actually be many good opportunities there. The reason I say this is that there is a shortage of good apps. So yeah you are in a smaller market, but you have a market that is untapped and not as saturated as iOS/Android. Also, it seems HP finally has some new products out/about to come out (Veer, TouchPad, Pre3, etc.).
Anyway, you are young; do what you enjoy now there is plenty of time to learn the theory side of things in University.