The ArchivesNZ links seem to be gone. The internet archive still has the report and the visual results write up
Report: https://web.archive.org/web/20130218111126/http://archives.govt.nz/rendering-matters-report-results-research-digital-object-rendering

Visual results:
https://web.archive.org/web/20130207025458/http://archives.govt.nz/resources/information-management-research/rendering-matters-report-results-research-digital-object-0