New Panels and Interface Elements
The first thing you will notice about CS 5.5 are some new panels.
Use the Articles panel (Window > Articles) to control the reading order of text and the display order of objects in a document.
Background Tasks panel
Use the Background Tasks panel (Window > Utilities > Background Tasks) to monitor the actions when you export PDF files.
Folio Builder panel
Use the Folio Builder panel (Window > Extensions ...