Soldato
The middle mouse button opens links in a new tab, I really don't know how I missed that
MW
And the middle mouse button closes tabs in FireFox, annoyingly after trying it on this page!
Alt and Print Screen highlights the live window rather than the entire screen. Oldy but amazing how many people don't know about it.
That you can get away with buying large screen TV's for £20 by putting them through on self service checkouts as button mushrooms.