Yup. Quite a number of sites use VGChartz numbers every now and again. I expect quite a number citing VGChartz as a source of evidence for Wii overtaking 360. Soon after, Time magazine will be citing the estimates from VGChartz.
Oh. Shortly after, a plethora of Xbots will be claiming that MS has sold 11.6M consoles, and that VGChartz makes up numbers.