Since everyone is so interested in the 1337 scene, and I don't know how to speak that language, I found a normal to 1337 language converter.
Thought that some of you might appreciate it.

1337 Converter found Here
A you tired of not being able to decipher other 1337 h4xx0rs? Well this program is the answer with the functionality to convert text to and from 1337 5p34k. With 2 built-in 1337 languages and a customizable language and word replacement functionality ("hacker" to "h4xx0r", etc.) where you can add and remove words, this program is perfect for all you chatting, h4xx0ring, script kiddie-ing people.
And a screen shot of it interface: