Ars Technica posted a story that Microsoft will unveil the new Xbox on May 21
An invite sent to press and industry watchers today tells recipients that "Don Mattrick and the Xbox team invite you to the Xbox campus for a special unveiling." A note sent out to Xbox owners on Microsoft's official e-mail list (and on the Web) mentions that the event will be streamed live on Spike TV and Xbox.com, as well as through Xbox Live itself.Microsoft set to unveil a new generation of Xbox on May 21
Microsoft representatives are obviously remaining tight-lipped about what will be announced and shown, but they are recommending that press block off the entire day for "interviews and activities" (including playable demos? Microsoft wouldn't say).