Well just picked up an IPV4 from my local B&M store. I have to say its one hell of a device. I am using a SMOK TCT tank with it and it rocks. I don't know why people say it feels cheap. It is a solid device. Battery life has been phenomenal. I have tried 3 different juices in it and have been hitting flavor notes that I haven't tasted before. For a 100$ temp controlled device this is worth every penny. I haven't made any coil builds yet but that will be sometime today or tomorrow. The SMOK tank comes with an extra glass tube and 2 coils. The one thing that sucks is the price of the coils.. 5 for 25$ (at my B&M). Well that is my rant!