I have used PM for several months now and find it very good to apply data to photos within a contac sheet. Many people are waithing for a catalog functionality, and I know you are working on that.
However, I would also find it very useful if I could apply data (such as categories, keywords, etc.) to a contact sheet. Then I would like to search for contact sheets that have certain keyword, category, etc. . What I mean is something like a catalog of folders.
For example, I normaly put all the pictures of a photo event in one contact sheet. By photo event I mean things like family trip, family birthday, friends reunion, church event, Christmas etc. I would like to be able to search all contact sheets conatining the keyword family trip, family birthday, etc.
Are you considering to add eventualy this functionality??