If your work is near the Acela routes, then you can try that too. Amtrak's Acela Express is supposed to run from Washington, D.C. to Boston via Maryland, Deleware, Philadelphia, [b]New Jersey[/b], New York, Connecticut, and Rhode Island. The Current Metroliner runs from Philadelphia I believe to New York via New Jersey.
In short, there should be plenty of Mass Transit options to get from Pennsylvania or even Virginia to New Jersey.
I am considering where I'll move when I graduate in May (unless War intercedes) and put alot of consideration into being within reach of the Acela lines. If you don't know, Acela is Amtrak's new Bullet Trains (150 MPH.) I figured I could live near Philadelphia, PA; Richmond, VA; Manassas, VA, etc. and still retain my gun rights while having the career opportunities provided in areas such as Washington, New York and Boston