Nvidia has revealed that it will announce its next-generation GPU on June 21 at a launch event in San Francisco. An invitation sent to Nvidia partners, analysts, and members of the press promises invitees an "evening of full-throttle entertainment" filled with "revolutionary technologies, hot 3D content, and exciting gaming action as we unveil our next-generation GPU."
Nvidia has indicated in the past that its next-generation desktop GPU will be similar to the GPU designed for the Sony PlayStation 3.