I have heard too many bearish view on US housing without any data to support. If you look into my blog, mortgage rate has an inversed relationship with housing sector. Mortgage rate has remained low, this should support housing sector in 2007.
http://basemetal-trading.blogspot.com/2006/12/us-will-not-have-recession.html
http://basemetal-trading.blogspot.com/2006/12/us-will-not-have-recession.html