I'd like a tool to be able to replace old free-form master sources with new templated sources. I've been using RootsMagic (and Family Origins) for a long time. I have a lot of the old style sources. I know that we've discussed (and ruled out) an automatic conversion but what I'm talking about would be an assisted manual process. You'd click a button "replace/update master source". This would open a window that would be similar to the "Merge Individual" window. On one side would be the old source edit window. The other would be a Master Source template selection window (e.g. Add New Source) After selecting the template to use, you could copy and paste from the old source to the new one. Once you finish, click OK, and get a warning, "This will replace all citations to the old source with the new one and delete the old source." The citation information and source detail information would copy over to the new source.
Does this make sense?
Right now I've got several duplicate master sources where one has "(Use this one)" appended to the name. This allows me to leave the old master free form source in place while making new citations to the new master source.