Right now Play-Asia some 3DS titles (US version's so you can play them on your American DS) for 18 dollars. The deal only lasts for a few days of if you are interested in it or want to simply bump up your 3DS library then now's your chance!

Buy Rayman 3D (Nintendo 3DS) - Play-Asia.com

Buy Super Street Fighter IV 3D Edition (Nintendo 3DS) - Play-Asia.com