See more PowerPoint 2007 demos at http://office.microsoft.com/en-us/h If you've been using design templates in PowerPoint 2003, you're going to love themes in Microsoft Office PowerPoint 2007. Themes pull color schemes, font styles, and effects into appealing design packages that you can apply to many types of presentations. You can even use the same themes in your Word 2007 documents and Excel 2007 worksheets. You can customize the themes and see live previews of your choices as you work.