Conclusion: In short this is a great release, a four "A"+ in fact, but there was so much that's waiting from CS4 that I do feel I have to hold back despite the great features that have been presented to us in this release. See:
Excerpt: Adobe InDesign CS5 represents a major step forward in usability and adds substantial new features for creating and exporting interactive documents and eBooks. If you’re a longtime InDesign user, you’ll appreciate Adobe’s focus on making this version more efficient for common tasks.
Pros: Multiple page sizes; Flash and EPUB authoring; efficiency
Cons: Dreamweaver integration; for-pay review service