I got mine in today, liking them so far. Performance is about the same as the T3. It seems a little easier to fill, there is not a lip inside the tank where the transition from the threads to the tank body was in the T3. I also like the shape of the mouthpiece a little better than the T3 as well, it feels a little more comfortable and it not as long.
The opening from the mouthpiece into the tank is larger than the T3 as well, almost big enough to fit a q-tip down through. Be careful though, I pulled a bit of the q-tip cotton loose to make it fit down through there and it came off when I went to pull it out. The tube narrows just slightly at the base of the mouthpiece and also where the coil assembly butts up to the air shaft. The cotton ball was a pita to get out once I got it stuck in there, lol.
I like the looks of it, maybe people won't tell me it looks like a crack pipe now...
