I came back to vaping recently and with that excuse I brought a new tank - lemo 3.
I set the tank up with one of the stock coils the ecl ss316l (elongated wicking holes) and decided to try out temp control, after a brief call to my technical wizard at vapetime uk who ran me through the menues on my Q-Class. . . . I was amazed
No harsh throat hit, totally smooth vape, huge clouds and AMAZING flavour!
After this I thought it must get better with an rda but instead of using my lemo 3, as I knew this setup was my new "go too" I brought a wismec neutron and with some 26ga ss316l wire 9 wraps on 30mm came out at .29 I honestly could not tell much difference between the two, if anything I prefer my lemo.
I personally have a preference for the LG HG2 batteries, other people may have a different choice. They are a good 20A battery with a 3000mAh capacity, and work well with any tank, including the subohm tanks.
Always buy from a reputable dealer, and never buy batteries off of ebay.