Imtech Test Content Generator is a SharePoint 2007 tool allowing you to batch create any amount of Publishing Pages. After typing in the URL of a Publishing Web the available Page Layouts appear. After selecting a Page Layout the available fields appear: a test page can be created including some test content. Imtech Test Content Generator allows you to set the file level as well (CheckedOut, Draft, Published, Approved).
Imtech Test Content Generator v188.8.131.52 is free to use
More information about the tool on my blog: http://blog.mastykarz.nl/2007/12/07/imtech-test-content-generator-v1300-free-sharepoint-2007-tool/