According Kotaku, this pdf from Nintento's site reveals a new DS http://www.nintendo.co.jp/ir/pdf/2010/100323.pdf
Nintendo describes the portable as allowing games to be "enjoyed with 3D effects without the need for any special glasses". According to Nintendo, the product will go on sale between April 2010 and March 2011.
The Nintendo 3DS will succeeded the Nintendo DS series and will have backward compatibility for Nintendo DS and DSi games.
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