OK, i have quite a few portable vapes and i have my 12 yo Volcano which i never use anymore. I think it's time i get a usable plug in and i don't want something huge. I've read about both of these vapes and they seem very similar in function and vapor production. Which one is better lol i know it's just an opinion The UD seems to come with everything and the E-Nano seems like everything you need to use it is extra. Is that it-Price ?