As of Sunday, August 21st, the day before Nintendo releases Nintendogs, its much-anticipated pet simulator, the Nintendo DS will begin selling in the US at the suggested retail price of $130, a $20 price drop.  While the $20 drop may not seem like much up front, it does put the DS at a strategic price of roughly half of the cost of the PSP and allows a new buyer to bring home an extra game or accessory with their system.  So far, the DS has sold over 2.5 million units in the US and 5 million worldwide.

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