Thank you very much, I think I have found the answer. http://www.onlyecig.com/e-cigarette-xpower/xpower-starter-kits/popular-electronic-cigarette-kit-hot-sale-xpower900new.html
It seems that in the evening and night I get really intense cravings for analogs. How do you keep yourself from slipping? If I smoke analoges long enough I get terrible migraines, but that hasn't stopped me in the past. Xpower900 Any suggestions?