i switched to a vape in october, couldn't tell you how much i smoked before i was on rollups and seemed to always have one hanging out my gob. i switch flavours every few days but tend to stick to cherry flavours or something minty menthol. There are a few local shops who mix their own juices in small quantities so i find the consistency can be a bit off (although the flavours can be interesting!), whereas the hangsen juices are mass produced so you know what you're getting when you top up the tank. I have a box next to me with about 18 different flavours in at the moment 
i also stick to either 1.8 or 2.0 ohm coils and run around 3.8 - 4.2 volts. any lower res / higher voltage and i can go through 5ml a day which can get expensive!
looks like you know what your on about. i stick with 1.8 coils (more vapour) but i have a standard battery not a vari one. i buy my stuff from grey haze now (2 sec walk from work place) i used to have problems with the clearmizers leaking into my mouth all the time but since i got a bottom fed coil (aspire) since then (6+ months) its leaked 1ce as a lad wanted a puff and sucked it too hard and got the juice into the tube lolsss.
i used to buy my juice from innovapours (unicorn blood OMG what a flavour but it messed up the coils in a day) but i now shop at grey haze. anyway seems like you steep your juice for more flavour

has anyone heard of the cloud chaser? youtube that

badman styleeee lol