@Hypoallergenic Cactuar - HII!! OMG!! *wave* XD

It was during their Pre-TGS, 3DS conference. Here are THREE articles that say it..>_< Its so confirmed.

TGS 2011: Nintendo's 3DS slide-pad attachment is real, requires an extra battery and will cost you money, 3DS News | GamesRadar

Nintendo Holds Hour-Long Press Conference to Announce Monster Hunter 4 - Giant Bomb

New 3DS circle pad: first official picture, release date - ComputerAndVideoGames.com

This almost confirms that there WILL be a 3DS redesign next year due to the fact that not only Monster Hunter will use it, as well as the Battery. I returned my 3DS hoping to get a Red one this month..glad i held that off.

It also comes with a wrist strap ;D... 3DS News: 3DS circle pad expansion comes with... a wrist-strap? - ComputerAndVideoGames.com


Side Note: TGS 2011: Nintendo and Capcom stocks slide after 3DS conference, 3DS News | GamesRadar