And moving the toolbar to the top and adding Object Dock for a Linux/Apple look...
You can get the Windows 8 RTM theme here:
http://mare-m.deviantart.com/art/Windows-8-RTM-Theme-for-Windows-7-318932206
The standard Windows 8 wallpaper can be found here:
http://wallpaperswide.com/windows_8_default-wallpapers.html