Something else to consider in housing prices is the flow of immigration (legal or not). There might be a trickle-up affect from the demand on low cost housing.
With stuff like this just being uncovered, we have a long way to go. http://www.nctimes.com/articles/2007/01/06/news/californian/20_44_381_5_07.txt
How in the hell do you get loans 20-25% above the appraised value. I've been a private mortgage lender for over 20 years. There's no way someone is going to get a 120-125% loan from me. To the lenders that did, I say tough shit. You're gonna get what you deserve.
End of 2008 will be the year to buy, MAYYYYBE. Everyone is underestimating how long this will take to unravel.
hahaha - what a plunge in (median) prices YoY http://www.realtor.org/Research.nsf/files/EHSreport.XLS/$FILE/EHSreport.XLS