a few days ago an idea about creating such a program came to my mind and Sigurd told me to share it here :)
the program will be modifying the site xhtml/css structure and the tags ids and classes to fit the silverstripe guidelines, it will also add appropriate indentation. I'm also thinking about adding an optional heuristic module that could split the design in the silverstripe theme files like page.ss, navigation.ss etc basing on the tags IDs and classes =]
it would probably simplify the process of themes creation.
The first release will be for Windows, the next ones will be probably supporting other OS's to.
Feel free to post any suggestions here =]
PS the uploaded file is just testing a reported upload problem ;)