VGChartz writes: "For the first time since the release of Halo 3: OSDT we have a new game leading the preorder charts - Modern Warfare 2 is now out so New Super Mario Bros Wii takes the top spot for the first and only time since the game comes out today. Total preorders have now reached 520,000 units - good for a week one of around 800,000 - 850,000 units."

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