hello all. im new to vaping and need to buy a tank. i already have a vivi nova 3.5 ml tank and i dont know if this is the best for flavor quality,vapor and vv joye ego brand batteries. is there a better tank? is there a dual coil? is dual coil that much better? i would appreciate if someone could help. i do understand e-cig language so dont worry about getting to deep with responces thanks