Standard&Poor's Ratings Services assigned its 'AAA' rating to Denver City and County, Colo.'s series 2009A Better Denver and Zoo general obligation (GO) bonds and series 2009B various-purpose GO bonds. Standard&Poor's also affirmed its 'AAA' rating on the city's outstanding GO bonds. Finally, Standard&Poor's affirmed its 'AA+' underlying rating (SPUR) on various city lease-secured obligations. The city's GO rating reflects our view of Denver's: Position as the center of a large and diverse metropolitan economy that serves as a regional trade and employment center, Steady maintenance of a large fund balance position and willingness to implement proactive midyear budget cutting when necessary to maintain general fund unrestricted reserves at the city's goal of 15% of