It's about time! Everyone is finally getting the idea that, all things considered, your room will affect the quality of your sound as much as (or even more than) any of your other component choices.
Fortunately, there are some very clever ways of dealing with room acoustics. (There are also a lot that are (cough,eggcrates,cough) less than ideal... but let's not talk about them...)
As with many things in the audio world, there are lots of questionable room treatment devices. We don't offer them. To get our recommendation they must make easily demonstrable improvements.
The company we work with offers a variety of ways to make your listening room better, from damping materials used inside walls (for new construction or remodels) to decorator-friendly products that are as simple to use as placing in a corner.