When Nintendo launched its Wii gaming console back in 2006 almost no one expected them to reach the current level of mainstream acceptance. Nevertheless, the Wii almost instantly became a smashing success, and has far outsold rival consoles Xbox 360 and Sony's PlayStation 3 with over 50 million units shipped worldwide to date. That puts it on track to surpass PlayStation 2, which has sold more than 140 million units since the year 2000, and makes it the earlier this month which means things are looking pretty rosy for them on all fronts.