There are also things like better font support for files from Word. Users of Keynote will see a few new animations added to the presentation app. And if a user is a MobileMe subscriber or has access to WebDAV, then files can be saved to and imported from iDisk and WebDAV. Finally, Apple also included some reliability improvements.
Here is a screen shot of the list of what is new in Pages.
Here is a screen shot of the list of what is new in Keynote.
Here is a screen shot of the list of what is new in Numbers.
Each of the apps cost $9.99 in the app store. We had a full review of each app when they came out. The summary of those reviews is here.