Nintendo Aims to Zap Its Rivals

The company unveiled its "Zapper" controller at the E3 gathering, but Sony and Microsoft had their game on as well

Nintendo's (NTDOY) Wii has looked like a winner in the latest round of the gaming console wars. So the pressure was on Sony (SNE) and Microsoft (MSFT) at this week's Electronic Entertainment Expo (or E3) to prove that their PlayStation3 and Xbox 360 have plenty of fight left. Both companies needed to pull out the big guns.

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