May be device is defective and as you are saying that you have just purchase then contact to vendor as soon as possible because it may cover under warranty or dead on arrival case.
Well I never tried tornado-t, but I am Joye 510 since last long. Tank system is new and I was also in confusion but I went to You Tube and found the solution.
Flavor can be different from person to person because it totally depends on individual's choice. As far as my concern I like only Fruit flavor, sometime chocolate also.
Joye Ego is one from my best choices. Even I like it very much. I also think same as you explain but the time since I start to use is I have change my mind.
Yes, exact like you happens with me but finally one of my friend convince me to use electronic cigarette and now I am quite far from tobacco cigarette.
Well I never face such type of problem because first when I was offered with E-cig I liked it the most when I try another one it not suit to me. So I was lucky about that.