This is a fairly wide open question. Each area has multiple neighborhoods and types of housing. An investor may have different concerns about ROI then someone looking to buy a home to live in. What about commuting? Where you are going to work makes a difference in how you might perceive the neighborhoods. The link that Glenda provided is a good one to look at basic information. You should also go to http://www.fcps.edu
to look up information about schools as well.