Preservation and Access Across the Spectrum
Theorizing Digital Cultural Heritage: A Critical Discourse (Cambridge, MA: MIT Press, 2007) provides one clump of essays exploring the use of digitization, mostly from the vantage of museums but considering cultural heritage to span across libraries, galleries, archives, and archaeology as well. [From Preservation and Access Across the Spectrum]
this looks like an interesting read. i expect we will see more of this material in the next few months.