Can we make Linux Desktop Enviroment beyond the Desktop Metaphor?

Can we make Linux Desktop Enviroment beyond the Desktop Metaphor?
Should Linux Desktop Enviroment (e.g.KDE,Gnome,CDE)look like Microsoft
Windows or Mac OSX ?

I imagine Linux Desktop Enviroment to have some features different
from current OS desktop, I think Linux can do better in Desktop OS
field.

mockup :
http://groups.google.com/group/ixdea/web/Image%20Desktop.png

Main Features:

1, Everything on the desktop is applet, also is document and device,
but is not application;
2, As everything starts from the root directory in Linux, everything
starts from the desktop. In other words,"desktop" is root directory,
all your data stored here;
3, Usually, other components of the environment, including the
removable disk or local device, can be reached from the desktop
directly;
4, Never need to open or close a window, the applets run on desktop
starts, documents always opened on the desktop;
5, Muti-touch and Zoomable desktop. Zooming infinitely by your
finger,so you have an infinite flat surface/desktop;
6, Without Windows-like concept on this desktop, such as Startmenu,
Taskbar, system tray ,My Computer, Shortcut,Folder,etc.
7, Use "object" metaphor replace "file/icon"metaphor;
8, While you're writting in a text-editor(applet), the data saved
automatically; user wouldn't asked to save it with a filename, but
they can tag it with any words;
9, Just drag and drop to arrange/organize your document and applet on
desktop by pile and stack;
10, The applets or documents show its thumbnail while it minimized.
......

Do you have any suggestion?
.