Nintendo finally announced the Rumble Pak accessory for the DS. It will be bundled with Metroid Prime Pinball. Just shove this accessory right into your DS and lo and behold, your system will do some kind of vibrating, jiggle thing. Instead of the usual "Start GBA game" you'd see when you insert a cartridge, you'll get a message that says "DS Option Pak inserted." Rumour has it that the noises the game makes in rumble mode is pretty unbearable—loud and chirpy—but it certainly is different. Look for other games (like Metroid Prime Hunter and Mario and Luigi:Partners in Time) to support the pack soon.