[jamon51]

I would start with LearnElixir.tv (disclaimer: Daniel Berkompas works for Infinite Red, which i own). It's very good though!

> Does anyone know if there is any support for isomorphic Javascript on either platform? Or is that strictly a Node thing?

That's more of a Node thing, although React.js has very clever server-rendered JavaScript tooling that you can implement alongside your Phoenix apps.