Ive been using the EGO-T for a year and Im ready for something new...better. I love the concept of the tank/self-feed system but they just arent delivering what Im looking for. The occasional leak sucks as well. I dont like cartos, they make my throat itch. I havent tried the carto tanks yet. I feel as if Ive inhaled fiberglass after a carto hit. Im looking for more vapor in less time as well. I hit the ego for at least 10-15 seconds a puff. VV sounds awesome but I dont want to be continuously tweaking. I mainly use juicy vapor wicked sick menthol, reduced pg. The only other system I had was a kr-808-2, which was simply garbage. I dont mind investing some money but not trying to spend Darwin money without ever trying one. thanks in advance for the opinions!