Bryston's take on 6.1 & 7.1 surround sound

Bryston's current newsletter contains commentary by one of the top recording engineers in Hollywood regarding the viability of 6.1 and 7.1 surround sound. Whether or not you are considering "upgrading" to more channels, you might find the newsletter article interesting. Here is the Web address for the article:
http://www.bryston.ca/newsletters/64_files/vol6is4.html