
Following is the lastest news about 3DS :

1. 3DS nearly sold out in Japan. According to the news that though Nintendo had shipped out 400,000 3DS units to Japanese retailers ahead of the launch, yet Just on Saturday and Sunday, 3DS sold 371,326 units Separately.
2.The best selling 3DS game over the weekend was Professor Layton and the Miracle Mask, the latest in a popular series of mystery puzzle titles from Japanese game developer Level-5 Inc. Enterbrain said the Professor Layton game sold 117, 589 units during the two-day period



3. Nintendo 3DS web browsers will adopt NetFront,which was character with fast rendering web content, supporting Java, CSS3, Flash, multitaper browse, zoom page etc.

4.3DS has inherited DS console intelligence functions : When running DS mode on 3DS and connect Wi-Fi,you have to change friend code so that other consoles can operate normally.If do not want the game be changed, you can transfer Wi-Fi user information to 3DS . But you need to be aware that once you moved the user information on 3DS you can't returned to DS any more.
Source :
Nitendo 3DS News