With a little CSS and static image, we rolled our own mapping solution. It was half-baked and only meant to be a temporary solution.
The legacy maps are now long gone and we replaced them with the maginificant jVectorMap! Browser compatibility was a primary concern and these maps support everything all the way back to IE 6.0.
The shiny new maps:
Location information appears on hover. We will be adding more meaningful data here in the future.