Personally I am not a fan of 18500 mods. We all remember the waves of “Bagua” clone mods that rolled out in drones the past couple of months. I love the design of the Atomo mod; from the magnetic switch, proper venting, adjustable insulated center pin, and 510 only connector. While I’ve been patiently waiting to get my hands on one of these, I am sick of 18500 mods. I’ll hold out for the next version with more tube sizes, but if you got $15.52 you can jump on the first one. I’ve seen these clones go for over $50 on some sites.
Edit: This just popped up, unfortunately it costs about $28 shipped (from China,) but you get all three tubes with the Atomo Mod from Desire. http://www.desire-ecig.com/Atomo-Mod-Clone