I'm running 14.04. I've already got half way there. I've reinstalled
ubuntu-desktop, but my actual desktop is still not working. No icons displayed, can't right click or drag, same wallpaper as login screen (with the little Ubuntu watermark at the bottom), and in the top left corner it says nothing (should say Ubuntu Desktop). Ive already removed GNOME, reinstalled
ubuntu-desktop, and purged/installed Nautilus, but nothing has worked.
Additionally, the gnome theme is still in the grub and boot logo. Fixing this isn't top priority, but if it can be fixed, that'd be awesome!