For urban areas like New York or Los Angeles, there will be a unique--perhaps once in a generation--chance to induce middle-class people to settle down in big-city homes or condominiums.

FORBES: New Geographer

Among older Americans who pull up stakes, a "large majority" settle within 20 miles of their previous homes, according to a 2009 Boston College study.

WSJ: Why Downsizing Your House May Not Solve Your Retirement Problems

The mortgage providers have seized more than 816, 000 homes through the Q1 to Q3 in 2010 and the annual pace was forecast to settle at 1.2m.

FORBES: Dream Home To Foreclosure Nightmare