I am a long time vaporer, I have had rn4087, 510, 510 ego, etc. I just got the 306 and wnated to rave and rant about it. Great little e-cig. Great draw, nice size, great vapor. Wow. Hits as well as my 510 and I can use all my 510 stuff with it- PCC, chargers attys etc. Is this great or what?