At least there is something (well really just this one thing) positive resulting from the foreclosure crisis in Detroit - from the NY Times:

This mosaic, created with images from Google Maps Street View, shows one of the many enormous challenges facing Detroit as it tries to climb out of debt. As of January, the owners of these properties collectively owed the county more than $328 million in unpaid taxes and fees. Since then, some have paid their debts, entered in payment plans or qualified for assistance. But 26,038 properties, shown with [many] in jeopardy, and many are headed for public auction.

Here it is -- a mosaic of despair ....