American Dream Downpayment Act signing ceremony at HUD headquarters, with President George W. Bush [joined by dignitaries including HUD Acting Secretary Alphonso Jackson and former Secretary Mel Martinez. Administered under HUD's HOME Investment Partnerships program, the Act will provide a maximum downpayment assistance grant of either $10,000 or 6% of the purchase price of the home, whichever is greater, for low-income, first-time homebuyers.]