Hello, i am coding an extension to allow read code on the wiki more easily, this is an extension that use enscript to put color on the code, it shows piece of code well colored, and its quite stable. you can show more info at the wiki http://meta.wikimedia.org/wiki/User:Coffman/Syntax_Highlight or examples at my own wiki : http://www.wickle.com/wikis/index.php/Syntax_Highlight_extension
regards