Apple has updated the beta of iWork for iCloud. This update focuses on collaboration. You can view a list of collaborators that are currently in a document, as well as the cursors of their collaborators. Clicking a collaborator's name from the list will cause you to jump to their cursor in the current document. You can also see when a collaborator moves images and object in a document. Keynote also gives you the ability to skip slides by right-clicking any slide in the navigator during playback. Numbers will let you reorder the sheets in your spreadsheets.
This update also adds support for printing directly from the Tools menu, and organizing your documents into folders.