so when the zenith v2 came out it looked like it had set some new standards for RDAs. for me, the delrin insulator was now a requirement as well as single and dual mode capability. the cyclops air holes were also a new favorite and i thought its what i would want in every rda. but after the plume veil came out...my air flow preference seems to have changed. its got the airflow for single and dual coil, but what makes this rda BETTER THAN THE ZENITH which i though might never happen, is the airflow from the bottom, top and sides! especially the bottom. i know some other RDAs have tried things like this but it didnt work out AND it didnt have the delrin insulator. i think this is a new standard for RDAs! it is for me at least