Attached is the PDF of SPIE Proceedings as submitted Friday July 18. We decided on the telecon today that unless I hear objections within 48 hours, we are considering it approved for posting to the arxiv. Immanuel Buder Postdoctoral Fellow Harvard-Smithsonian Center for Astrophysics (office) 160 Concord Ave., M-114C (office) 617 495 7567 (mail) 60 Garden St. MS 42 Cambridge, MA 02138 ibuder(a)cfa.harvard.edu