NEW YORK (Standard&Poor's) Dec. 19, 2007--Standard&Poor's Ratings Services revised its rating outlook to positive from stable on Minnesota Housing Finance Agency's (MHFA) 'AA+' issuer credit rating (ICR) and its 'AA+' ratings on related debt. The 'AA+' rating reflects the financial strength of MHFA and its solid overall operations. General credit strengths include MHFA's very strong financial performance, marked by strong capital adequacy ratios, which increased significantly due to a recent financial restructuring. MHFA has excellent overall asset quality, with prudent oversight. In addition, its management is extremely capable and proactive and the agency has ongoing state support of its operations and mission. The state's generally strong economic position also supports MHFA credit quality. "The positive outlook