According to the previous discussion, he used, ignoring analytics and APIs: js (coffeescript), leaflet, d3 (mercator projection), jQuery, SASS, mapbox, jquery-pjax, python (django), individual animated state transitions with css, and webkit transitions.

This is on another level. What extra resources on the side would one recommend following IDV for the Web [1], to close the gap?

[1] http://chimera.labs.oreilly.com/books/1230000000345/index.ht...