I have done a 180 on this issue. At first I put myself in the mods shoes - namely I would not want guys complaining when they received feedback that no action had been taken on their reported post. My initial thought is that a non response is better for managing emotions of people who have reported posts.
However - I have the following proposal which could work.
Issue each reported post with a ticket number. Post a web page where you can check the status of your ticket number.
Statuses would be "Infraction given" or "Complaint noted for the record"
I think if people know that their complaint has at least gone on file against the perpetrator they won't bitch and complain that no action was taken.
Windie has a complaint that his reported post wasn't dealt with - maybe it was he will never know. With a feedback system he would know what happened.
If mods are worried about posting an open web page in case people run stats on it then just email us back with the status.