Apple has recently released iWork '09 update 3.

This update addresses general compatibility issues, improves overall stability, updates the help, and fixes a number of other minor issues in Keynote, Pages, and Numbers. The issues addressed include:


Reducing file size of images that have Instant Alpha applied
Managing file size when inserting some movies
Working with dates and durations in the Chart Data Editor in Keynote and Pages
Exporting to CSV from Numbers when using table categories