As I come to the completion of my masters degree, I find myself looking to the long-term. Where do I want to live? Where do I want to work? What cities/towns (most likely city) have to offer for me and my career?

Thus far I’ve narrowed things down to the following cities:
Boston, MA
Philadelphia, PA
Baltimore, MD
Washington, D.C.

I know each of these places had different employers and opportunities, and each has their own benefits and advantages to their location. Personal reasons for each location have weight, but my thought is that enjoying my job is most important, location/personal reasons are secondary.