It looks like Kinect isn't the only motion-controller selling well in the run-up to Christmas. Although the number of units sold varies depending on who you ask, Sony has said it misjudged demand for the PlayStation Move and that stores are now running low on stock across Europe, America and Japan. According to SCEA's senior VP or marketing Peter Dille, the Wii-like controller will probably be hard to come by until January or February of 2011.

Some estimates put the Move at approximately 400,000 units sold in the U.S. in its first six weeks on the market, while in Europe that number is reportedly somewhere in the region of 1.5 million. By comparison, Microsoft said last week that Kinect sold one million units globally in its first ten days of availability, but it didn't break down the number by region.

Kinect may be grabbing all the attention lately as hackers continue to find alternative uses for the motion-sensing accessory. But despite having a higher "wow" factor compared to the PlayStation Move, when it comes to the gaming experience not everyone is impressed with Microsoft's device. In Popular Science's recent "Best of What's New 2010" feature, the magazine chose Sony's Move over Kinect, claiming it is the first motion-capture game system accurate enough to attract the hardcore gamers who consider the Wii and Microsoft Kinect to be kids' stuff.