I experimented with alternate ways of displaying code in an IDE like processing some time ago. Before it collects dust, here it is. I found it quite useful even in this stage. 

Go to  http://volatile.allesblinkt.com/syntax/ to try it for your own code.

Beware: This is a quick hack using the JQuery.Syntax highlighting engine. It does not understand classes yet. It may not work in older browsers...