InTechSpot  

There are many pages about Office 2007 (formerly code-named Office 12), however, I read some official articles about it and here is some screenshots and some links, don't forget to register to get the latest news about it, and a notification when Beta 2 is available...

The 2007 Microsoft Office release, available by the end of 2006, is an integrated system of programs, servers, and services that will help you meet your business and personal needs. Work more efficiently, stay organized, and more easily collaborate and share information using the security-enhanced 2007 Microsoft Office system.