You don't need one unless there is going to be a Pokémon version!

Millions of people around the world already enjoy playing Nintendo DS™, and the system's future looks even brighter.

On June 11, 2006 Nintendo DS™ Lite joins Nintendo's video game family when it launches in the Americas. The lighter, brighter version of the hot-selling Nintendo DS is expected to be priced as low as $129.99 at retailers throughout the United States. The inaugural color is an elegant Polar White with a raised DS logo on the cover.