Special Edition DS announced as part of a Japanese promotion for Pepsi Twist.
Pepsi and Nintendo have announced a co-promotion in Japan that will see the release of a blue-and-white Nintendo DS designed to promote Pepsi's new drink, Pepsi Twist. There will also apparently be a blue DS carrying case, and Pepsi headphones to go along with it:
Nintendo DS Pepsi Twist Edition
At the moment we're not sure if this DS is a contest prize or if it will be sold at retail, but it sure does look cool. We'll have more information as it becomes available.