Models demonstrate Sony's new PlayStation Portable (PSP-2000 model) at the Tokyo Game Show in Chiba, east of Tokyo September 20, 2007. Sony Corp said sales in Japan of the new version of its PlayStation Portable (PSP) game gear reached 1 million units in the two months since its launch, hitting the 1 million mark at a quicker pace than the original model. REUTERS/Issei Kato
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