[BradleyT]

General SEO
General SEO
General SEO


Google SEO
Google SEO
Google SEO
Google SEO

MSN SEO
MSN SEO

Yahoo SEO
Yahoo SEO
Yahoo SEO


Keyword Tips
Awesome blog on making money on the Internet
The best of the best for overall SEO
Search Engine Ranking Factors on SEOMoz

That should be enough to get you started. Also most of the forums listed have categories for AdWords (advertising on Google) which should be read.