This year of 2007 you are likely, if you insist, you can get marry and got your Green Card. The period of time can start from 5May till 6June. To avoid rushing into marriage, I suggest you can officially registered within the period of time and proceed for Green Card application.
As for your career, you can choose those require you to travel and speak or convince other to hear you. In fact, there are a lot of job related to this criteria; do choose those you are most comfortable of.
Good luck to you and need not worry too much.