DigitalPreservationEurope has released The Myths and Fallacies of Digital Photographs and Their Preservation
Here's an excerpt:
Digital photographs offer fasciniating new possibilities and seem to be easier to store and preserve for the future than their analog counterpart, promising incredibly valuable, massive photo archives available at your fingertips. However, securely storing massive amounts of data, as well as ensuring that the file formats produced by professional cameras can be read in the near and longterm future, is a significant endeavour. This briefing paper reviews some of the core challenges in preserving digital photographs to make sure that the value of a digital photo archive remains and grows for the benefit of the photographer.