That looks lush, I'm even more jealous now
i usually use my rta on mine but I have also used ce2s and they vape like a train in it. I'm not sure there is a best thing to use, I get the feeling everything works brilliantly on it. I just love mmy provari. I try not to bang on about it too much cos I used to hate folks who are all superior about having a provari, but I can honestly say it was the best thing I've bought vape wise, and I can't see how anything will even come close to it for a long time (except maybe a purple v2!).