After MBA, if you want to develop your career in USA, you have chance to make more than what you do now, but you would find MBA does not help you too much getting what you really want. Doing MBA in a top MBA program only offers you to come to USA, and the rest is totally depended on your own past experience and your key competence, especially your oral English. Get ready to start over from scratch. Is this what you mentally prepare to do? If no, think it through before action