It appears as though Nintendo has begun phasing out Nintendo Points and are instead going live with their eShop cards which can now be used to purchase games on the Wii Shop Channel. The eShop cards will also be used for purchasing games on the Nintendo 3DS eShop which is due to launch June 6th in the United States and June 7th in Europe.
A new eShop Card will take its place, to be used for all three systems. As the 3DS download service introduces the mysterious concept of pricing its games in actual monetary value, these cards will follow the same idea. However, redeeming them on the Wii and DSi will still convert their dollar value to Wii Points and DSi Points