IMO, Domination & Acquistion are the most fun game modes. But Domination is a bit hectic so I thought I'd post these links here. They include a brief video & description of what to do when attacking & defending;

http://blog.mag.com/blog/2010/02/mag-developer-tips-domination/

http://blog.mag.com/blog/2010/02/mag-developer-tips-acquisition/