Is the Xbox360 the Dominant Console?

"The gaming industry is as unpredictable as any other, especially since Nintendo discovered whole new target audience with the advent of the Nintendo Wii. What the Wii did was bring bot a positive and negative to the status quo, ie, the present situation. where as developers tried to cash in, shovel ware appeared. Now my question today is, if a console is not selling more than its competitor, is it really dominant"...