Guys, For what it's worth, I have heard good things about that ATS acoustics pricing as well. I've never seen one of their units so I cannot comment on them however. Some additional good information and discussion about room acoustics takes place at StudioTips. (Google search will find...
Lance.G, Do you have any acoustic treatment at all? If not, you might want to research that for a bit as well. Remember, if sound modes are terminating into corners (and they are) and if you have no simple bass trapping, you may want to look at that as well as consider the other excellent...