A friend of mine was talking about this a while back, so i decided to have a look. The Ambatchdotcom SEOcontest, is a contest between SEO’s of all kinds, who try to show their skills to other SEO’s, and win prizes at the same time, it’s quite cool, i might join in next time :)
Yoast.com runs on the Genesis Framework
The Genesis Framework empowers you to quickly and easily build incredible websites with WordPress. Whether you're a novice or advanced developer, Genesis provides you with the secure and search-engine-optimized foundation that takes WordPress to places you never thought it could go.