The rave these days is for sure the sub-ohms with max air flow. Me personally, I don't like too airy of a draw as I'm not a lung hitter. The only reason I go with 1ohm is I like the warmer vape. If it gets to the point that I'm vaping outside the limits of my reo, it will be time to change the way I vape. Not a chance of me changing my device. Only had my grand a couple of weeks, and I'm already trying to decide on color of my first mini