i thought that might be an interesting approach to you.
a beta release of a linux os named symphony introduces an uncluttered,
restricted interaction model to improve usability and findability.
it is build on declared 'laws of interface design' ( http://symphonyos.com/laws.html ), utilizing Fitt's law and insights on
struggling with windows (and mac os), while borrowing some of the os x
i haven't finished the bootable iso-download yet, but the description and
screenshots ( http://symphonyos.com ) are very interesting.