In the next decades as ageing baby boomers start to die, you would think there would be a lot of houses for sale in places like Florida and other retirement communities.  More supply, less demand = lower prices. 
Do you think this is a trend to watch?
Some cool stats on US birthrates:
http://www.bbhq.com/bomrstat.htm
Baby boomers whooping it up in the casinos:
http://economictimes.indiatimes.com/...ow/1124731.cms