Very unscientific trials of my own suggest Win7 users relate to KDE slightly better than Unity. I simply hand my thinkpad to students in class and get them to

Very unscientific trials of my own suggest Win7 users relate to KDE slightly better than Unity. I simply hand my thinkpad to students in class and get them to start a Web browser and log into the Moodle instance. KDE mostly ok, Unity getting into browser easy, but most try to close the window by clicking on the System Settings icon on the right top ('cog wheel'). They also find the global menu strange at the start. It only takes two minutes to explain how Unity works though...