Just an FYI for the "Show the Desktop" issue, it has always been there in the right-click menu.
And there's a shortcut in the windows taskbar at the bottom. Usually the first on on the left. Looks like a little desk pad with a pad of paper and a pencil on it.
Dave Baer
Professor of Digital Arts
Digital Media Arts College
Boca Raton, Florida
dbaer@dmac.edu