****oo..
there is no pay difference for either one. The difference is whether or not you want to pursue your masters or go into administration. I personally would choose the BSN over the AN. But, if you have no intentions of moving up the ladder and getting a masters or becoming, say an N.P., then an AN will work. You can always go back and get your BSN which is usually an additional year at an accredited university.
Hope that helps..
~Kat