Guy:
Would it be possible to have a "replied" check box? It needn't be automatic, though that would be sweet. It could just be something available for the author to use (or not) to keep track.
Guy
That certainly sounds like a good idea.. but I'm not sure at present there's a straightforward way of doing it in that there is currently no association between comments and popup messages. I'll add it to the 'nice to have' list as at some point I may well restructure some of the database tables and it might then be easier to implement.