http://www.pcgamer.com/2012/05/30/elder-scrolls-online-extensive-interview-watch-the-devs-talk-pvp-synergy-monsters-and-more/

This is a lot of the same stuff in the gameinformer video, but there is some new stuff. For instance, they talk about keeps being destroy able like in DAoC, trebuchets, taking over objectives, and capturing objectives giving out faction wide bonuses.