AMD published a blog post with some information about the new GPU acceleration features in Microsoft Office 2010, you can read it over here.

Graphics acceleration will be more useful than ever because Microsoft has added many cool new capabilities and benefits to up the visual ante of your PowerPoint presentations. These include new and improved tools for video and photo editing, dramatic new transitions, and realistic animations. Microsoft really sought to enhance dynamic content (like animations, transitions and videos) with Office 2010 and built-in graphics acceleration is the key to bringing your presentation ideas to life. Here are just a few of the new features that will benefit from graphics acceleration:

• Transform images into compelling, vibrant visuals using new and improved picture editing features such as color saturation and temperature, brightness and contrast, and advanced cropping and background removal tools, along with artistic filters such as blur, paintbrush, and watercolor.
• New slide transitions and animation effects that look similar to graphics you