For a model of consistency prior to and after the beginning of the current recession in September 2008, Melody Ranch is hard to beat. A September 13 closing on a 4-bed, 2,320-square-foot home listed at $729,000 was the 14th in the last 12 months. During the previous 12 months, from October 2009 to October 2010, there also were 14 sales. The three years prior to that saw 10, 10 and 13 sales respectively,...