Kinect has got off to a strong start in the US, selling out at a number of major online retailers.
Best Buy is currently sold out online, while Amazon and GameStop have no more standalone units, reports USA Today. Elsewhere, Target is sold out of the Kinect sensor and the 250GB Xbox 360 Kinect bundle online.
Earlier this week, Microsoft upped it holiday season Kinect sales forecast from three million to five million units.
Ubisoft also suggested the platform holder isn't making enough units to satisfy demand.
Kinect's out in the UK on November 10. If you're not going to be locked away playing CoD: Black Ops and you're thinking of picking up the motion cam, you might want to check out CVG's Kinect review, Joy Ride review, Kinect Adventures review, and Kinect Sports review.