From Nintendo's Press Release: By the end of 2011, Nintendo will provide Ambassadors with 10 Game Boy Advance Virtual Console games. These include games like Yoshi's Island™: Super Mario™ Advance 3, Mario Kart™: Super Circuit, Metroid™ Fusion, WarioWare™, Inc.: Mega Microgame$ and Mario vs. Donkey Kong™. THESE GAMES WILL BE AVAILABLE EXCLUSIVELY TO AMBASSADORS, AND NINTENDO CURRENTLY HAS NO PLANS TO MAKE THESE 10 GAMES AVAILABLE TO THE GENERAL PUBLIC ON THE NINTENDO 3DS IN THE FUTURE.
So if you want them, you buy it now. They will probably come out after but who knows how long.