http://www.youtube.com/user/BruceClayInc
Bruce Clay gives his own response to a question posed to Matt Cutts and the Google Webmaster Help team.
"What ranking signals would you say SEOs worry about too much? What ranking signals should SEOs should focus on the most?"
The SEO veteran encourages SEOs to focus on the big picture: on-site quality. Everything else, including links and rankings, follow.