My friend and I put together a great build utilizing the supporting / tanking capabilities in large team fights of the Elementalist’s traits along with the great damage due to gear sets to make your elemental tank invincible yet still pack a mean punch, while keeping your allies alive in large group WvW (or sPvP) fights.
The build is in the video: http://www.youtube.com/watch?v=UdGj4eQJS3Y
Enjoy all
Let me know what you think!