What makes a great boomer town? Considering now would be the best time to retire, bestboomertowns.com compiled research from informative sources like the U.S. Census Bureau, AARP, Wall Street Journal and Del Webb Survey to select 2009′s best places for boomers to thrive. Criteria for selection include, among others, good weather, housing costs and social opportunities.

Here are the selections, in no particular rank: