Would it be better to have all the old threads in one archive bin, divided up into subforums so they don't get mixed up, or have a subforum in each forum as the archive section?
"I was drinking my milk!"
"I was drinking my tea!"
"He is awake! Rejoice!!"
"I take my sugar brown! And my bread!"
"I have two speeds; in my own time, or can't be bothered."