Mapquest has submitted some fantastic new samples for Tour de Flex. If you haven't looked at the Mapquest ActionScript APIs lately, you should take a look.
Tour de Flex is a desktop application for exploring Flex capabilities and resources, including the core Flex components, Adobe AIR, data integration, and a variety of third-party components, effects, skins, and more.
If you are not viewing this page from Tour de Flex, we suggest you go install Tour de Flex.