Editor's note: This article is republished with permission of Builder magazine. View the original article: "Healthiest Housing Markets: Mid-2011 Update" By BOYCE THOMPSON What can you say about the fickle economic forces that drive the homebuilding industry? Markets that were among the healthiest six months ago have lost favor, due to weakness in the oil and gas sector of the economy. They've been replaced in some cases by unexpected markets that have worked through job losses and foreclosures to reach a much brighter place. Twice annually, Builder magazine works with Hanley Wood Market Intelligence to compile a list of the healthiest housing markets in the United States, based on forward projections for the metrics that drive housing production -- jobs, price appreci...