I've sent a message to the admin about the option of showing only the newer posts and arranging the lists with th most recent at the top...
I personally don't like the idea of automatically deleting old posts with no replies. Maybe I'm old fashioned but I don't like to delete posts without at least sending the member a courtesy note.
That said I will try find time to go through the list over the weekend and delete any that have dud links etc.
I agree with you old posts should not be deleted as the new members might get frustrated by this and might not become a active member.