Nikki Finke’s Deadline Hollywood Daily » First Day ‘Dark Knight’ DVD Sales Break Record: Certain To Smash ALL Records »

sold 250,000 Blu-ray discs when it premiered on September 30th and ended up selling 400,000 Blu-ray units in its first week. But wait til you see what The Dark Knight sold in both formats, standard def and hi-def: 3 million copies bought by customers in the U.S., Canada and the UK on its first day in stores. That’s 3x the norm. This isn’t a superhero, it’s a cash cow! The Dark Knight was not only 2008’s best DVD sales day, but is also likely to be 2008’s bestseller of the year by next week with a projected number of 7 million units.