ethomaz on 03 September 2009
About PS3 Slim launch, GameStop said that sold out in stores because "Extremely limited stock".
""Extremely limited stock" selling out at brick-and-mortar stores; online retailers currently shipping units; hardware hackers get how-to guide."
Source: http://www.gamespot.com/news/6216290.html
I don't expect great numbers with supply below the demand 
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