Don't concern yourself about not having gotten in on ECIG. with the float available, your chances for having profited off of the huge increase in share price were minimal, many people got burned hard. My opinion is that ECIG is going to continue to drop in price till it is below $5, but probably even lower.
Currently my money is on VPCO, they are more established, have a larger product line, better earnings, more market share. Also VPCO is priced far more realistically, than ECIG. VPCO is had a nice jump in price this year, as people just really started to learn about them, and I was able to make some nice profit, as I found out about them before the big news story that changed everything. I found out about them through my work, because I was designing advertising for Krave Kings, which we produced and has been in about 350ish WilcoHess stores since the beginning of the month; so I know first hand that they are making sales. VPCO had one bad quarter, but the past 4-5 quarters before have had a steady 30% growth.
ECIG might be a good investment one day, but it is certainly way overpriced right now. You have to make your own investment choices, but I have a lot of confidence in VPCO.