I am strong admirer of Rand Fishkin and have learn a lot from SEOmoz's team and their blog. I believe in them and the SEO techniques they shared are purely white hat, importantly all such SEO best practice has been tested by them intensively. SEOmoz's best SEO practice can really help us for crafting a solid search engine optimized website.
You can read the full article at SEO Best Practices: SEOmoz's New Policies Based on Updated Correlation Data
You will also love to watch video where Rand is joined by their our in-house data geniuses, Ben Hendrickson to support guidelines for SEO best practices.
Whiteboard Friday - Correlation, Causation & SEO VIDEO
I am sure you all will love all this Latest SEO techniques shared by SEOmoz's