Adam and co. have been busy beavers, creating a comprehensive AD Federation Services 2.0 content map over on the TechNet Wiki site. Being as this is a Wiki, they are encouraging you to contribute and edit. Considering the number of interop and customization scenarios inherent to ADFS, your experience can have a big impact on this guide. It’s here:

AD FS 2.0 Content Map

There are sections here for learning, solutions, design, deployment, management, and troubleshooting.

Go get ‘em.

- Ned “ventriloquist’s dummy” Pyle