5th July, 2012: With a new machine in my possession and booting both the distros in my VirtualBox, I could make a fair comparison of both the OSs. Now Gnome 3 would load for Fedora and Unity 3D for Ubuntu 12.04 LTS.
I had the 32-bit OS of Fedora 17 and hence, though I had 64-bit of Ubuntu, but compared with the 32-bit only.
Fedora's Gnome 3 interface looks really great and on clicking