Apple today released updates for both Pages and Keynote.
Keynote 3.0.1 - 39MB approx
Keynote 3.0.1 addresses issues with three-dimensional charts and textures. It also addresses a number of other minor issues.
Pages 2.0.1 - 21MB approx
Pages 2.0.1 addresses issues with charts and image adjust. It also addresses a number of other minor issues.
Both updates will be available in software update for those who have iWorks installed.