Well ive had this joye 510 stainless steel model. And i have to say that i love it! i have not had one cigarette or even thought about having a cigarette! im so happy with this product! it is amazing! but be careful because when you get an e-cig you cant go back and all you want to do is mod them! they are awesome! but yah just wanting to say that ive got the joye 510 and it is amazing and you need to get one!