Holiday shopping in the U.S. kicked off over Thanksgiving break with brisk sales for Nintendo, Sony and Microsoft game hardware, reports Venture Beat.  Nintendo says it sold 550,000 Wii consoles for the week, in addition to nearly a million Nintendo DS systems.  Sony says it sold about 440,000 PS3 consoles in the same period.  Microsoft hasn’t revealed hard numbers but says that it saw Xbox 360 sales double during Thanksgiving week compared to the week prior.  The companies are crediting their price cuts earlier this fall, bundling of games and peripherals at retail, and key title releases for the surge in sales.

Read more at Venture Beat.