Firstly, many thanks to Jim Lynch at InfoWorld for this article:
http://www.infoworld.com/article/3172192/linux/make-linux-look-like-macos.html
Which led me to the direct website of the project developers to find a large variation on Windows themes for Linux. If you like tinkering with themes, this looks like a download and bookmark:
http://b00merang.weebly.com/redmond-collection.html
Hats off to these guys, customisation lives on through Linux 
I especially like the look of the Windows Classic (95/98/2000/ME) theme for a nostalgia trip…
Windows - commercial by definition and now function...
