My flatmate works for the police force and says they have a 'special' name for baseball caps. I can't write it here - but they genuinely do pay extra attention to people wearing them!
The Nintendo site says that it comes out March 27,2011. (http://www.nintendo.com/3ds) But the face book page says February, 27th 2011(http://www.facebook.com/pages/Nintendo-3DS/139822436079026?v=wall)
I'd trust the site over the face book page, but i know Nintendo is Japanese or Chinese (or...