I think some of the variance in preferences comes down to the other variables in the way we
vape. What power settings, airflow settings,
juice type, etc. which would explain why each atty usually has it's own following of people that think it's the best at doing XXX while others disagree.
They are really all awesome
tanks, this is a great time to be a vaper that we can nitpick about such small aspects and choose between great gear.
For the OP, here is a size comparison between the Gmini and the Billow Nano, I'll try to find my Zeph but I believe it's stashed away somewhere.