Hello, iPainters! Tonex here with Breaking News!!!
3DS owners will have to wait just a bit longer for the eShop and Internet Browser. Yep, thats right . Despite a target launch of May, Nintendo will issue a software update on June 7th to enable both the eShop and Internet Browser. Now the reason I don't know. Here is the exact words. "A new system update for the hand-held Nintendo 3DS system will be available in North America the evening of June 6 Pacific time. By downloading the free update via a wireless broadband Internet connection, Nintendo 3DS users can enjoy new features and enhancements, including an Internet browser and access to the Nintendo eShop, where users can browse and purchase downloadable content." This info was found at Nintendo.
Don't have a credit card? Don't worry you can still purchase titles via Nintendo eShop prepaid cards. As far as I know, you can get some at Best Buy for US. I don't know if GameStop will supply, but it's likely.