I suggest looking at the following report that I coauthored, released in February by RLG Programs, as there are a few potential suggestions that might help you. Combs, Michele, Mark A. Matienzo, Merrilee Proffitt, and Lisa Spiro. 2010. Over, Under, Around, and Through: Getting Around Barriers to EAD Implementation. Report produced by OCLC Research in support of the RLG Partnership. Published online at: www.oclc.org/research/publications/library/2010/2010-04.pdf. Mark A. Matienzo Digital Archivist, Manuscripts and Archives Yale University Library