Microsoft launched a new site where you can test the Office 2007 beta 2:
You are just a few clicks away from a free online test drive of the latest version of Microsoft Office programs. Take them out for a spin in this quick, easy-to-use, browser-based trial experience.
The real-time test drive does not require product installation or download—it's the fastest way to try out 2007 Microsoft Office system programs. In just minutes you can start exploring Microsoft Office through your Web browser on your own, or follow the step-by-step tutorials to experience all of its useful features.