One of the great things about Linux is the ability to customize your system any way you want. I had some fun with this one. I used the Orion Theme with the Windows 8 metacity title bars and windows icons. Below are links where you can get theme. Enjoy.
You can get the GTK3 metacity Win8 theme here:
http://gnome-look.org/content/show.php/Windows+8+theme+By+Kunal?content=165937
You get the Orion GTK3 theme here:
http://satya164.deviantart.com/art/Orion-GTK3-Theme-281431756
You can get the Win8 icons here:
http://gnome-look.org/content/show.php/Windows+8+Icons+Theme?content=167957
You can get the wallpapers here:
http://www.windows8core.com/download-the-all-new-desktop-hd-wallpapers-from-windows-10-consumer-preview-build-9901/
You can do the same for your XFCE desktop as well....and see the links below...
You can get the XFCE theme, XFCEight here:
http://xfce-look.org/content/show.php/Xfceight?content=158227
