BB4TB, how do you know if your room treatments are working? I am asking form the point of view of - this is something I have never done, have no experience with and am a little confused as to what to buy, how to use it affectly, that sort of thing. I mean, can you start out small work your way up seeing/hearing results along the way. Can you really hear the difference by hanging some foam on the wall or in the corners? How do you know you have a problem to begin with? How does a guy sitting in a 5.1 room with an SPL meter in hand figure out he has room treatment problems?
Let's face it, I can sneak another component into the rack, but this is re-decorating, by God.