For the 5th straight month new-home closings in the Phoenix market did not lose ground.  There were 3,110 in August.   New home prices are down to a typical $255,000 from $285,000 in 2005.  Analysts suggest the median price of a new home in the market should be in the $220,000 range based on normal increases.  The market is expected to turn the corner in early 2008.