In my personal experience, the best thing to do is find one that seems good to you then buy the clone, again imo when it comes to rdas the authentics are always a whole lot better, like another level, so once you get a clone that you enjoy the design buy the authentic. I have an atomic, tobh v2, mephisto, igo w, and rtas. The atomic is amazing it has s reduced chamber which gives unmatched flavor, acr that caters to single or dual, the only con is it leaks a lot and you have to frequently drip, the tobh is ingenious in its design, it has the best well, the domed top cap helps flavor and vapor, the donned top cap helps it stay cool, and the copper connection is nice, I filed off the air control and it is wonderful now. The mephisto is also amazing it caters to people who like super low guage builds and extreme builds, its all around great but not for beginers, the igo w is just a simple dual rda but you absolutley have to drill the air holes, not my favorite but for 12 bucks who's complaining. So it just depends on what your looking for. Buy a clone first that way your not wasting money but if you have money to blow only buy authentics. Idc what ppl say authentics always blow clones outta the water when it comes to rdas, Mechs are a different story. People who say otherwise say it because they don't have authentics.
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