Reggie Fils-Aime estimates 9,000 consoles sold every hour last week.
Nintendo has revealed sales figures for the period from November 21 to 27 (Black Friday) in the US.
The company sold 900,000 DS handhelds (combined line) and 600,000 Wii consoles. USA Today says that for the same period last year the company sold over a million DS units and a similar number of Wii consoles at 550,000.