Same article, additional info :Comparison of PS3 sales vs others : “The sales increase is very impressive, making the PS3 the top selling hardware in Week 36. The Xbox 360, Wii and DS Lite all sold around the same amount last week – PS3 Slim outsold each of them by a ratio of three-to-one.”
Which means PS3 was outsold by X360 and Wii 3 to 1 BEFORE PS3 Slim release.
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“The sales increase is very impressive, making the PS3 the top selling hardware in Week 36. The Xbox 360, Wii and DS Lite all sold around the same amount last week – PS3 Slim outsold each of them by a ratio of three-to-one.”
Which means PS3 was outsold by X360 and Wii 3 to 1 BEFORE PS3 Slim release.