Here comes my third try :) Since BC Destruction has become a really rare PvP Spec.
I enjoy to separate from the usual Drain Life tanking "Three Button Warlock"
This Video also features my 2on2 Arena Team. With my Buddy playing a Mutilate Rogue the Combination is quite exotic.

/edit

After so many requests... Songlist:

Anberlin - Paperthin Hymn
Diecast - These Days
Atreyu - Ex's and Oh's
Saliva - One More Chance
300 Soundtrack - A God King Bleeds
Soilwork - Distortion Sleep.