Well, some dtp programs let you choose where you want to edit the ole-file with. I would be very happy with a ole-function that opens a picture in Photoshop and puts it after editing back in the same place. Or indeed a vector in Illustrator.
I'll check out the pdf filter.
-- David Pilling email: david@xxxxxxxxxxxxxxxxxxx web: http://www.davidpilling.net post: David Pilling P.O. Box 22 Thornton Cleveleys Blackpool. FY5 1LR UK fax: +44(0)870-0520-941