I've been playing with mine for a few hours now. My first attempt was a .8 single coil. It vaped OK but certainly not in the class of an RM2 or a Cyclone. I then tried a .5 ohm dual coil with the airflow wide open and it really blows clouds in this mode. Throat hit and flavor are also good. Seems like a solid atty but I need to play with it more I.e Coil placement, height etc.