Go to practicalhacks.com. You will enjoy the site. Kevin has done several shoulder strap comparos.
Here's one:
http://www.practicalhacks.com/2009/1...arison-photos/
http://www.practicalhacks.com/2009/0...est-bag-strap/
The Tom Bihn Absolute strap seems to win just about any comparo. I haven't tried it yet. The BR straps are good. Look nice, too. Comfort is very good, stability is excellent, anti-slip is just good not very good and not excellent.
Till