BTW Bones - I don't get why I am not having your kind of luck with cartos. Maybe I am just too particular about vapor and throat hit. Do you find that they produce the same after 2-3 weeks as when you first pop 'em on? To be honest, only a couple of mine have truly died to the point where they didn't produce anything. But the rest dropped off so much that I just wasn't getting any satisfaction from them. But maybe that's typical. I dunno. But at least they work for you, and you're happy with them. That gives me hope that eventually I'll hit on a way to get the same results.
I do not notice much of a difference but I am only 4 days analog free so I am vaping the crap out of this box to keep the monkey off the back. I always did a double draw when I smoked and I do a double draw and sometimes triple draw on the wetbox. As long as I have a good juice, I get a big throat hit and a huge vapor all the way to the end of the carto's life. But then again, that could be due to my smoking style. My personal litmus test for good vapor is being able to blow at least 9 thick smoke rings inside a big plume of vapor coupled with a solid TH. If I cannot do that consistantly all day long then the juice isn't up to par for me and psychologically I am not satisfied and start getting mad cravings for analogs. So far I am getting my monies worth out of my cartos.