First WiiWare microtransactions revealed

Along with original games, the WiiWare store will be also the place for additional downloadable content for games. Previously for only the realm of the Xbox 360 and the PS3, paid additions will be coming to two Japanese WiiWare games LONPOS and Mojipittan. The first expansion for LONPOS will be 500 points, half of the games original cost, while pricing and dates for Mojipittan have not been revealed. Downloadable content for retail Wii games has not been announced yet but Activison had previously had been looking into it for the next Guitar Hero. Source: The Wiire