Thanks for all your input. Going to go for the tfv4
just to quickly let you no- you cannot use the standard coils 0.33ohm coils on the Kanger subox, as it only fires down to 0.5ohm.
Also the TF4V coils are temperature controlled, so you need a temp control mod box.
which mod would you recommend with the TF4V
Hi - im not a expert, but i've been told by my local vape shop (who are experts) that you need a mod box like this eVic-VTC Mini - Joyetech to get the full benefits of the TF4V, i.e. use the double/tripple/quad coils
you could just use the rebuildable coil from the TF4V, which would be single coil, but personally thats a lot money for a single coil - you can just use the kangertech one.
hope this helps.
Happy to hear other peoples thoughts...
Thanks,
Kaz.