The number of students dictated the media in which it was presented. I think it was something like six new students were required to run an audio class with flip charts. Ten or fifteen were required for a film class. Grads could attend for free, so naturally, the prospect of having a film class was used as an incentive to sign up more recruits.
Classes other than PFAL were run there, as well. I took Dealing With The Adversary there my first time through it. I remember that specific one because of a traumatic personal experience I had the week before it ran.
Also, live classes were sometimes presented there because of its proximity to HQ.
Aside from that, there was nothing special about the place,