Kantor on 16 September 2010
Problems with this comparison:
1) August 2009 was not the PS3 Slim's first month.
2) NPD figures do not cover the entire world.
Having said that, the 360S has had a much greater impact on hardware sales than many (including myself) had expected, so well done to Microsoft for making quite a genius business decision.
(Former) Lead Moderator and (Eternal) VGC Detective 
