I started my ecig journey here long ago but just started actually getting involved. When I first came here I saw under recommended suppliers v2 so I went there and rarely came back here. That is where my journey started. I had no clue what the diff between 808 or 510 or 15000 was. I was wondering what happened I don't see them here anywhere. I actually like the kr808d-1 they promote but it doesn't lend to any advancement that I can see. I am now buying a whole new system. Seems a 510 threaded ecig of any type allows so many more options. I actually wish I had started there. Anyway I am learning a whole lot of new things. At first it just seemed so complex. Thank you so much for all the info you provide and the excellent links and pix.