This is an excellent article on not only listening environments but also mixing... If you are interested in acoustics using surround sound I think this is a good article to read.

Surround Listening Environments - Acoustics Count

Nice post!

Thanks Neil,

There's a number of great articles on Studio Sound Acoustics here as well:
http://www.realtraps.com/articles.htm
http://www.realtraps.com/info.htm