Generally good experience with the Vype E Box, battery life good and the Vype liquids seem to me to be the best available. On the downside I have had one tank crack when I opened it to refill it this was potentially dangerous as it was glass. Also the atomisers seem to quite quickly start display the 'Check atomiser' message and sometimes fail to work. The service could be better. Last week I ordered three replacemnet coils and they arrived next day. I found the first one to give the 'low resistance' message so faulty straight out of the box. The customer service person asked me to try the next one, which worked and said a replacement would be sent out. That was over a week ago and still nothing so not impressed with that.