Yes, it was a very good article. I agree with Alan in that this is not an exact science. There are lots of questions he posed that each of us might answer differently.
I have heard a few treated rooms, some I've liked the sound, but others have sounded overly 'dead' (absorptive panels all around). My theater room so far is untreated and I have been hesitant to add treatments because I enjoy everything I hear. The room however has minimal highly reflective surfaces, and lots of chairs, full carpet, and no rear wall.
For the conditions in my room, I think that treating the 1st reflection points only is probably a good compromise, and will not overly dampen the spaciousness diffuse effect from the surrounds. This is most likely what I will do at some point.
