I have started with a 510, then I passed through varios e-cigs (many of which now lie at the bottom of a drawer):
901 - Intellicig 401 - creator 808 manual and auto - Janty dura-c - Titan mega power - Janty Stick - Dse 905 - GGT+AFSv1, v2 - 637 (6v BB) - Galileo (7,4v BB) - EgoT - ....
Now...