Seattle Post-Intelligencer reporter Todd Bishop writes:
With the holiday shopping season set to start, a full year has passed since the head-to-head competition began between the Microsoft Xbox 360, Nintendo Wii and Sony PlayStation 3 video-game consoles. In terms of sheer demand, the Wii has been the runaway hit. But there are a variety of ways to assess the data. Here's a breakdown in four categories (and charts):
• Worldwide installed base
• U.S. installed base
• U.S. head-to-head (adjusted for the Xbox 360's 1-year head start)
• Worldwide launch-year results
Sources: Microsoft and Nintendo earning reports, provided as PDF documents via the full article; e-mail from Sony spokesman; and NPD Group statistics.