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Without a doubt, mine is Ubuntu.
It is the only desktop with unity, and unity is what I want.
The author claims repeatedly that unity is awful, with no reason as to why. IMO, it is the best thing out there for those of us who want to use the keyboard more, and the mouse less.
The HUD beats tabbing through a menu, or using the stupid mouse, and the dash allows me to quickly call up files from my highly organised heirachy with less than 6 keytaps.
I never did like using panels, docks or menus, and the konsole also does autocompletion for software names.
This seems to be the logical extension.