Debuntu is (Debian+Ubuntu)/2.
Default Debian Gnome Desktop looks too much like Windows and not as clean as Ubuntu Desktop.
By right-clicking top bar and bottom bar, you can add to "panel" such things as "Shutdown" - the power button, "Trash", ....
You can remove Desktop icons via "Configuration editor" (gconf-editor) at /apps/nautilus/desktop and turning them off.
Desktop image can be retrieved from usplash-theme-debian-4 package source. cmap.gif file is nice for clean Debian background. Of course it is nice as boot splash which nicely works with backported 2.6.30 series.