On the other hand, Mill Hill, in Trenton has held its own, despite being isolated and not really having a walkable downtown nearby.
Bottom line: It's more risky than the older style of suburban development but may be the wave of the future, if not universally, then at least in this location. As far as comparative costs go, you can get an agent to compare area to area and trends within areas anytime you chose to work with one. I'd recommend sitting down in their office and exploring real figures. The rest is all speculation, just as it would be in any area. Even Princeton and Moorestown have their pauses and Cherry Hill switched from west to east as "the Neighborhood.