PowerPoint 2007 has the lion's share of the "wow factor" in changes to the suite. It now picks up the SmartArt feature put into Word, and you can more easily create themes (colours for the background or a table, fonts, bullet styles) to give more ability to give a presentation coherence.
Select a theme, click one button, and the entire presentation changes. You wonder why you never had that ability before.
Filers can be saved not only as presentations (.PPT), but as XPS and PDF so they can be handled by people working on other platforms. You can also add a digital signature to a presentation to lock it, preventing others from changing it.
Like other elements of the suite, PowerPoint also has better integration with the SharePoint server, allowing it dynamic content that changes as the database changes, and allowing other team members to make changes.
