Kotaku has just reported that there is a gold coloured Wii-Mote Plus due out later this year (but no gold Nunchuck), and there will most likely be a bundle for Zelda: Skyward Sword featuring this gold Wii-mote. They have also stated that it will be available separately as well
http://kotaku.com/5811330/there-will...ld-wii-nunchuk
