I like the kgo style, i've found some lr dual coil carts. I'd assume that would produce a massive amount of vape compared to my kr808? I really like the clearomizer design of being able to know when your cart is running low.
I don't know because I don't own one but I've heard the battery is better with the KGO. If that and low resistance cartomizers don't do the trick, you might want to consider a mod.