One of these days I'm going to go temperature-control exclusively, I think, simply because the concept of temperature limitation really seems to have sound reasoning behind it.
For the time being, I have possibly the least expensive temperature-control device, a Heatvape Invader Mini, which works well but has the limitation of not being able to go below 0.1 ohms with a nickel coil. The Invader is not the world's greatest device but it does have enough usability to satisfy my curiosity while I'm keeping up with the developments in temperature control devices.
It's my understanding, from Legs and others, that the ideal nickel coil, for the SX Mini anyway, is less than 0.1 ohms. Although I'm pretty sure I'd like the SX Mini, I'm not ready to invest that kind of money in purchasing one because the technology continues to develop by leaps and bounds as we speak, and I'm willing to wait on developments that various manufacturers say are on the verge of being released.
This just-released Phil Busardo video made the Joyetech eVic-VT somewhat tempting. I watched the entire 67 minute video and these days I consider spending that amount of time watching Phil Busardo videos to be time well spent. I'm going with Busardo's advice to just give it time rather than buying a Joyetech eVic-VT at this time.
Currently, I'm really really satisfied with 0.5- 0.6 ohm kanthal coils and KGD cotton in a pair of Kanger Subtank Plus delivery devices. I use them at from 12 to 15 watts, usually with the air control at the most wide-open setting. A 1.2 ohm coil is very good too, but a 0.5 ohm coil is great, to me.