Nintendo has finally released a Wii Remote Controller with the MotionPlus attachment built in. The MotionPlus improves the controller’s accuracy so that the console will more accurately track real-world actions in the game.

Holy Guacamole – we all knew that Nintendo’s newest first party offering, Wii Sports Resort, was going to do well. But 500,000 copies in eight days? Especially when the game in question is really an excuse to launch the Wii Motion Plus add-on? Wow. According to 1Up, the figures translate to about one copy sold every 1.5 seconds. Wow again.

During the Microsoft press conference, Nintnedo snuck out a press release for a new WiiMote attachment called the MotionPlus.

This tiny attachment clicks onto the end of the WiiMote and is supposed to add more precise control. Here’s the little bit Nintendo has released so far (Nintendo has already prmoised to reveal a bit more on stage at its own press conference)…