>I'm not trying to be unhelpful, but most of the useful reports I generate are geared around blocked content by category
Agreed, and we do this already. We've also been asked for the report I mentioned, essentially reporting on what students are trying to access / search for before the Sophos firewall kicks in. Maybe its not practical, but if I can give them a huge report with "bombadier" etc then they'll agree its not worth it.