While Nintendo’s 3DS sales haven’t exactly set the world on fire, it’s good to see that the company isn’t sitting back and waiting for sales to disappear. Nintendo has just announced that the price of the DSi and DSi XL have both dropped $50 to $200 and $250 respectively. Of course, having sold more than 3.1 million DS variants, it’s hard to believe there are still people without a DS of some description in their homes…