(a new design and only 6 made so far) …
It can be used as VV with 2 x 18350 batteries or 3.7v with one 18650 Battery.
PS: Picture is the actual mod, tank not included and for illustration purpose only 
You Could Win this in the UK Vapefest 2012 BIG Raffle:
This looks wicked, proper gripper style - I want it… Count me in!