Maybe this needs to be modified, to catch up with Jagger:
http://www.seomoz.org/articles/searc...ng-factors.php
If so, Since this is a well trafficked page, and somewhat established authoritive document, maybe you guys would want to write the authors and see if you can get together with them in subsequent mods.
Post-"Jagger", I definitely see some changes in priority, especially, that need to be made.
Ken