“Home prices may be starting to melt up. That means that fewer homeowners will have negative equity in their homes and more of them will have less of it. […] The median existing single-family home price rose 10.9% y/y during December, the best performance since January 2006. This is happening because the supply of existing homes available for sale dropped last month to the lowest since January 2001.”
http://www.economicpolicyjournal.com/2013/01/housing-prices-starting-to-melt-up.html