There's no Scandinavian-themed video this time around, but Opera Software has just released the final, non-beta version of its Opera 11 web browser, which promises a couple of big changes and a slew of other more minor refinements. Among the biggest additions are what Opera calls "tab stacking," which lets you create groups of tabs to manage dozens of open web pages a bit more effectively, and "visual mouse gestures," which is sort of like mulitouch gestures but -- you know -- with a mouse. You'll also now get extensions, along with a new and improved (and "safer") address bar, and a so-called "mai
