If you are relatively happy with the PT3, you could pick up the air control base (turn it into an Aerotank) pretty cheaply to try it. It may be what you are looking for, and might allow you to find the balance you want from the kanger
tanks. I personally think it is worth the chance for the price. If that doesn't work, and you don't really like the cartotanks or other clearomisers on the market, I think you might really want to consider the
hcigar kayfun clone mentioned above. Yes, you do need to fiddle a bit to get it working at first, but once you have it working, it will be as reliable as anything you have tried and give you tremendous flavor. It's not a cloud chasing setup, but it does give off a very nice amount of vapor and it tastes like you are using a dripper.