I just got in my G2 today, I will say this the best vape I have ever had. I do not own any dna chips, but have about 10 other mods that I know wish I could sell. I had watched a number of you tube video's on it. It came in, I upgraded the chip, threw a kanthal build on temp control on it immediately. Set the fsk mode, and the auto temp controll to battery saver. Set it to 450 degrees and it is absolutly the best vape I have ever had. I was going to get the slice, but decided to go with the g2 as I do not own any 26650 batteries, and thought it would keep it simple and stay with just one type of battery. I also got the impression the slice's paint was not as durable. The G2 has the reputation of being very well built. I personally do not mind the box, I understand why some people do not like it so much though. Got it at a great price as it is a manufacturer refurbished. This thing is brand new to me and sitting here thinking about buying another one as they are such a good price.