Knowledge about SEO is so enormous. Are you sure that all of the info you gather about SEO is valid? I have read many forum threads where people make a lot of wrong assumption about SEO, so I think creating a post may be benefit to a lot of people. You can read more here: http://eblogcamp.com/ouch-do-you-make-these-3-wrong-assumption-about-seoim/ http://eblogcamp.com/7-deadly-misconceptions-about-seo-that-you-must-avoid/
I do agree that PR and traffic is two different factors it doesnt mean that you have high PR you will get more traffic too..Content is still the key to it...I do agree that PR is hard to achieved now considering that PR is upated by Google once in a while already....