From the Big Picture econ blog:
A recent Brookings Institute analysis (found via Barrons) demonstrates persuasively that the $8,000 subsidy actually costs $43,000 per extra house sold; worse yet, the new $15k tax credit will ultimately cost $292,000 per home.
Read it all here. What the real-estate business needs is to let house prices find their proper level, not bloodsuck gummint money to hold on to glory days now gone. Lot of people that holler a lot about the free market and the oppressive gummint are first in line when the gummint's handing out cheese.