I think one of the biggest concerns is that people, including myself don't want to be upside down on our home in a short time; of if having put 20% down we don't want to see that equity reduced to 15% in a short time.
This concern is increased when you look at the large amount of foreclosures that make up the current listings as well as what the Option-ARM reset horizon looks like. If you haven't read the web site Calculated Risk, I would recommend it as well as their analysis found at:
http://beacheconomist.com/Newsletter0108.pdf - Thu Jan 17 2008, 09:33