For composing long PDF packages at an office that requires security and wants to use the new digital forms, Acrobat 8's got the goods, but it's overkill if you only seek to make short PDF files.
Adobe Acrobat 9 document-creation software is adding dynamic features such as integration of animation, dynamic maps, 256-bit encryption, and improved forms. We've been playing with the beta edition of Acrobat 9 Pro Extended.