Effective October 1, American is implementing a $50 dollar fee to use AAdvantage miles (15,000 required) to upgrade from most discount coach fares. Details here.
Review: American Boeing 737 With Seatback IFE
Hyatt House Colorado Springs Category 1 Redemption!
Review: Westin Denver Downtown
Review: LAX-DEN United Economy 737
Review: Best Southern California Resort