If you follow demographic trends you will conclude the large amount of people that are over 55 and make up the baby boomer market is a major niche market for real estte/
Perhaps the down turn in the economy and the lower prices real estate prices xaused many of these buyer to put their plans on hold. Now that prices are raising again. And the stock market is doing well perhaps many of these buyers with pent up demand can fulfill their Plans.
Two questions come to mind to fulfill their need are: is existing inventory going to be attractive to them or do they need communities and amenities that better suit them. A number of home builders sited in the article are catering to these buyers needs.
Once again many will require help to know what thy may want and need and what is available. I think that is where a professional realtor that knows the market can be of great assistance.