Facts

Java and Python are good.
Erlang is kewl as hell.
C / C++ if you want to spend 60% of your time looking for that weird segfault that happens every tuesday.
Nobody uses lisp (scheme) irl.

/Board

>>6
s/LISP/Lisp/  (It hasn't been fully capitalized for decades)
You might find this interesting http://voodoo-slide.blogspot.com/2010/02/c-amplify-prototype-available.html (and the previous post too)