There's a new report from the Association of Research Libraries that looks carefully and thoughtfully at what we have learned about the role of research libraries in Digital Repository Services, and provides an up-to-date perspective of the area in the broader context of developments in areas such as e-research.

The report is at

http://www.arl.org/bm~doc/repository-services-report.pdf

Disclosure: ARL is one of CNI's two sponsor organizations; also, I had some input to the deliberations of the DIgital Repositories Issues Task Force.

Clifford Lynch Director, CNI