The Library of Congress and NSF sponsored a workshop on digital preservation last year, which Brian attended. A report of the workshop has appeared on the NDIIPP website.
The Library of Congress and the National Science Foundation hosted a workshop to identify specific research challenges associated with long-term preservation of digital content. As detailed in the published report, the workshop identified a number of priority areas for research into new models, methodologies, and tools for digital preservation. [Welcome to the NDIIPP]