Yeah I've been thinking how a USB port (a small one, maybe a mini-b type) would open so many possibilities for the 3DS. A GH grip that connected here could be made, so there'd be Guitar Heros compatible with the new DS. Or you could use it to connect the 3DS to a PC and unload photos and videos from it's internal memory (which will hopefully be bigger, at least like the Wii but hopefully 1 or 2 Gb). Or maybe make a GBA adapter to connect to this USB port and play GBA games. Or I don't know, maybe use it for TV output xD the possibilities really are endless!