I haven't been back on this forum for a while, but I decided on MPH because I really like how diverse everyone's background is. We have lots of physicians, allied health, epidemiologists, environmental health, nutritionists, etc etc in the program. It is really nice to get out of the nursing "echo chamber". I've also been able to contribute a nursing perspective to non-nursing issues.
In my program, you can select one of 5 majors. Mine is in health policy & management. My thought process is that there aren't enough health professionals involved in policy-making, so I should do that :)
So far it's an excellent program and I'm enjoying my time in it.