Software Line-up Trailer:
The picture above is the final design for the Nintendo 3DS, straight from the official Japanese website. The website, which can be viewed here, has some more images of the 3DS as well as a trailer or two (one of which is shown above). If you want some more of the new tidbits from the website, hit the jump!
3DS Charging Cradle:
Take a picture of yourself and auto create a Mii:
Something with Tag Mode, Mii’s, and nintendogs+cats: