One of the most interesting and substantial documents newly released is an analysis of the nature of a potential Ayatollah Kashani run Iranian government by the Office of Intelligence and Research.
Kashani had been an ally of Mossadeq, before breaking with him and his National Front in early 1953. Kashani's role in Mossadeq's ouster has been downplayed in the traditional narrative of the events (which places most of the blame on the Americans), yet revisionists have noticed the extent of Kashani's influence, and how important he was in fomenting unrest against Mossadeq in the months leading up to the coup.
What is most striking about the document is how Kashani is described. If you took out his name, and other identifying information one might think that the authors are describing Ayatollah Khomeini or Khamenei. Kashani's sees "contemporary problems from a narrowly Moslem outlook, severely warped by many years of bitter conflict with British authority".