Sticking with possible map solutions I thought this was a great article from a list apart looking at maps today, they even finish off with the responsive layouts.
Web maps have come a long way. Improved data, cleaner design, better performance, and more intuitive controls have made web maps a ubiquitous and critical component of many apps. They’ve also become one of the mobile space’s most successful transplants as more and more apps are powered by location-aware devices. The core web map UI paradigm itself—a continuous, pannable, zoomable surface—has even spread beyond mapping to interfaces everywhere.An excerpt from Hack Your Maps