I don't know about the others, but I love my Serpent Minis. I use them on my Picos. I vape MTL and have to close the airflow down as far as I can get it. Just a tiny crack. lol It's very airy! I do sub-ohm though. Normally build at .4Ω with 317L SS.Oh my concord Radius just shipped! Boy are they fast over thereWell I am totally set on mods, more than I need I am sure, still wondering if all the new tanks I bought were worth it, like Serpent mini, Merlin, Corolla, Cerabis, as I am not sure they are mouth to lung or sub ohm, guess I better do more research! LOL