http://mynintendonews.com/2012/06/06/nintendo-confirms-you-can-transfer-wii-virtual-games-to-wii-u/
[font=Georgia,]Fans who have purchased libraries of old games will not lose their downloaded game titles when they decide to upgrade to the new system, a decision in line with how Apple’s iTunes store operates regarding digital downloads of game apps. Moffitt said that there will be a bit of restructuring of how their login IDs/accounts work with the Wii U; he told us, “You will have an individual account based system. Each member of your family might have their own account.â€[/font]