I just received 50 copies of this in the mail today:
Literature is so much better in its electronic form but its still fun to get a physical copy. Most importantly, this proceedings represents scientific content and a scientific community that I’m proud to be be part of. You can obviously access the full proceedings online. Preprints are also available from most of the author’s sites. You can also read my summary of the 4th International Provenance and Annotation Workshop (IPAW 2012) .