Comment Ocaml instead of Lisp (Score 2, Informative) 372
For max performance and easy integration with C-APIs try this language at http://www.ocaml.org.
I only heard about it from the ICFP contest but it is a very cool language IMHO.
(1) Never draw what you can copy. (2) Never copy what you can trace. (3) Never trace what you can cut out and paste down.