We live very close to Burke and are very happy with the area. It is easily accessible to all types of stores and there are many activities for children, including rec center, tot lots, parks, 3 libraries, etc. If you commute by public transportation (many employers provide a transportation subsidy), Burke offers the option of VRE with free parking, buses and slug lines. The schools in the area are very well regarded. One useful tool for checking out prices and resale values is the MRIS:
Zip Code Statistics Just input the zip code you are considering in Centreville and the one for Burke (22015).