I have both a Vamo V2 in black chrome and a Vamo V3 in stainless that I got in the mail today. Both are wonderful. I prefer the V3, though. Removable top ring, the middle body part is not press fit like the V2, the Swirls are actually kinda nice for grip, and the new PCB seems a lot better. Both more pleasing to the eye and better performing. It's reading the resistance of all my atomizers perfectly. Put a 2.5 coil on there, says 2.5 while the V2 said 2.7 sometimes, 2.8 other times, and every once in a while 2.3 on the same coil. :/ The V3 also seems to put out more power. Larger, more dense clouds.