Have yet to take a look in Julia, but I've been playing around with Elixir for a while and looks great. Elixir macros particularly got my attention:

http://elixir-lang.org/getting_started/5.html

There is a book on Elixir coming out from Pragmatic Programmers sometime and will be written by Dave Thomas, which might generate a certain buzz too. This may be a good time to dive into it a bit more.