Nintendo Microsoft’s Greatest Threat?

Is Nintendo Microsoft’s greatest competition in the Next-Gen wars? Bill Gates seems to think so.

According to Joystiq, the overwhelming success of the Nintendo Wii has made some people sit up and take notice who might have otherwise written off the Nintendo Wii as a fad.

Bill Gates himself spoke about his suprise at Nintendo’s success and described Nintendo as being the Xbox 360’s “toughest competition.”