The Official, Nintendo Licensed Game Boy Advance video cartridges will be available here in the US on May 20th.
Twenty dollars for 45 minutes seems high to us, especially when the content is geared towards kids who typically don't have lots of disposable income. Bargain bin, or Blockbuster hit? What do you think? (We're just hoping this isn't the video playback "feature" Nintendo is hinting the Nintendo DS will have.)