Haven't invested in an Evod yet, though I do have several T3s and a couple protanks. Only difference I hear would be the draw on the Evod atomizer head is tighter, and the heads can be put into a protank making less airy and a bit tighter draw. The benefits of the bottom coil clearos I have seen is being bottom coil you don't have to worry about tilting constantly to get the wicks wet, just keep it in a general up/down position vape away. Downside, when they get low on juice they tend to pull more liquid in an gurgle, or leak, needing to be blown out and the tank topped off. Pretty easy maintenance, rinse out the tank, rinse the coil head thorougly with hot water, let dry, then dry burn gunk off the coil, refill, slap back together, off you go again. With the Nova you'd have to tilt it upside down every couple draws once the liquid is below the wicks like any top coil setup. As stated above, the variable volt from the start is a good way to get in, can dial in your prefered taste experience and be happier for it. So either the Spinners with the Nova or Evod would be a good place to start, just have to ask yourself, warmer draw go with the Nova or top coil, cooler draw go with the Evod or bottom coil. hth