I recently received some bloog batteries from the PIF thread and some menthol, and a couple other flavor carts. I am trying to put together a lil gift package for someone I am trying to get to switch from another ecig (mean croke) I tried the carts that came with the batts and I have to say the flavormax carts have more flavor and vapor. I am guessing maybe they are an old version since I have seen so many amazing things about bloog! So my question is, can anyone give me some guidance on what carts I should get for him to get the most out of bloog and leave (mean croke) behind? He is a 2 pack a day reg cig smoker, btw. I look forward to any help, thanks !