I think Onyx64 is the most elegant OS ever out and I suggest you revive it, use Cinnamon as the only and default desktop and base it on Ubuntu 14 LTS with Cinnamon2.2 which is a work in progress
theme used in the screenshot: Blackelegance http://gnome-look.org/content/show.php/ ... ent=164375
Silvermint: http://gnome-look.org/content/show.php/SilverMint+Pack+%28Cinnamon%2BGTK%29?content=164359