NDIIPP published a report in 2005 titled Archive Ingest and Handling Test (AIHT). It discusses their project to ingest and markup a digital archive; export and sharing of that same digital archive from the tested preservation regimes; and conversion of digital objects from one format to another. The lessons learned will help all of us looking at building an digital archive.
http://www.digitalpreservation.gov/partners/aiht/high/ndiipp_aiht_final_report.pdf