[muyuu]

I applaud Mark Shuttleworth and his vision.

Sadly we're missing "something else" other than Mark Shuttleworth.

What he does, is what most others are doing in a half-hearted, compromised way: providing a "packaged" system that works without much hassle and which is based in pretty much the same interaction principles of the 70s and 80s.

Being Open Source, Linux could do a lot more than that. But nobody explores these avenues, it just aspires to be Windows/OS2/Mac in the desktop and Unix in the server. Linux could exploit the fact that it doesn't need to hide its workings, that it can allow any level of customisation in the workflow, in the windows manager, in permission management, etc etc because the user owns the software running in his or her computer. This basically has been exploited just for virtualisation.

The problem with that is monetisation. But a lot of development in the Linux community is non-for-profit anyway.

[Raphael]

I am fascinated with the idea of customizable window managers. I haven't delved that deep, but the difference between XFCE and Unity is night and day. I can choose color schemes, window decorations, and make custom task bars. This should be table stakes for graphical interfaces.

[muyuu]

Have you checked Enlightenment lately? it's a decent shot but they seem short on workforce.

Also http://awesome.naquadah.org/ and https://code.google.com/p/wmii/

And that's just windows management which is probably the most obvious advantage of an all-open approach, but there are other things like user programmed priority systems, memory management etc which could potentially do a much more effective usage of the hardware than the standard monolithic opaque approach.