At Nintendo's GDC panel on the DSi's design, Project Leader Masato Kuwahara revealed a bit of news regarding DSi software. that will either terrify or thrill you based on the status of your DSi preorder. Two new types of DS cartridges are on the way: "DSi Cards," which will only work on the DSi, and "DSi Enhanced Cards," which work on all DS systems, but will have extra features when played on a DSi.
We knew that Gameloft was planning to use some kind of hybrid DS/DSi card. But we didn't think that Nintendo would make DSi-only cards! And to be clear, by "didn't think" we mean "saw it coming a damn mile away." Confirmed: you're buying another DS.