Here it is, the Eleaf iStick 40w Temp Control Mod Video Review for anyone considering that mod.
iStick 40w Video Review: https://www.youtube.com/watch?v=JOhAjB2zYv0
Reaaally liked it .. it's a very good beginner level TC device and I'm sure, it will sell like hotcakes! If you are thinking of taking a plunge on this mod, you're going to be happy "provided, eLeaf used good long lasting parts in it".
iStick 40w TC Mod: SKU 2642000
I would give this device 9 out of 10 points. Good stuff Eleaf
(P.S. Sorry about the bad quality video, my camera sucks).