I'm actually starting a blog on this - and I would like everyone to participate - because info coming from 1 source is never enough.
I do a lot of training internationally on SEO , Analytics, and Web 2.0 - but there is still so much out there that is changing.
I just launched the blog yesterday - but I will try to keep everyone up to date on what is happening in the SEO world.
If you are intersted in contributing towards the blog - just send me an email on the blog site.
http://socialmarketingworks.blogspot.com