I guess it might be okay if you live in Japan and/or can read Japanese. But I don't/can't.
North America: * The Chase: Felix Meets Felicity * Imagine: Cheerleader * Jojo's Fashion Show * Coraline
Australian releases: * Neopets Puzzle Adventure * 100 Classic Book Collection * Word Academy * Sim Animals
European releases: * SimAnimals
Japanese releases: * Final Fantasy Crystal Chronicles: Echoes of Time * Hirameki Action: Chibikko Wagyan no Daiki na Bouken * Sid Meier's Civilization Revolution * Taiheiyou no Arashi DS * Vampire Kishi DS
No good titles means it's time to do some back catalog shopping. Super Mario Galaxy - $34.99 (The W at Amazon) Legend of Zelda: Twilight Princess - $34.99 Super Smash Bros. Brawl - $34.99 Madden NFL '09 All Play - $39.99 Mario Party 8 - $39.