Recently I’ve been thinking a fair bit about flyout global navigation menus. You see them all the times these days, but despite their popularity, I’ve never been fond of them. I find it annoying when they accidentally appear as you move your pointer around the screen. And more importantly, as Jared Spool’s site points out, users decide first and move second, so their effectiveness as a navigation tool is questionable.
Recently, M&S have taken flyouts menu to an extreme: