The eGo-C really isnt that much better than the older eGo-T tanks. Yeah the C is easier to take apart and clean, but they still can be very finicky and leak like the eGo-T tanks. Also all of the eGo tanks dull flavor and TH. If you want an eGo, youd be better off just getting a regular one and using cartos.
I would consider going with an E-Power or kGo instead. The eGo is only 3.3-3.4V, while the E-Power and kGo are both 3.7V PVs. The 3.7V PVs provide alittle more "oomph" and more importantly handle the lower resistance attys and cartos better. Their both have really good battery life and dont cost anyore than an eGo does (If not cheaper)
I have an E-Power and love it. Its the only one out of the 3 thast uses non-proprietary batteries, which are removeable,instead of the normal proprietary batteries that the kGo, eGo, Rivas use. E-Power batteries cost $4-5 compared to eGo/kGo/Riva batteries that cost $14-20. The batteries are 1050mah and I get on avg a day to a day and a half on one battery. Also everything is replaceable on the E-Power, so its cheaper to maintain. Crystal Clear
vaping has a really good deal for the E-Power, and you get about $25 in free stuff with free shipping. Dont forget "ecf5off" for 5% off.
The kGo is also a nice PV, even though it uses proprietary batteries. The batteries are 1100mah so they also last a long time and most people get at a full day on one battery. It gives a great vape, and Hoosier and DarkCity Vapor both have good deals for the kGo.
With either one I recommend trying the 1.7ohm Ressurector cartos. They are designed for 3.7V PVs and work awesome on the E-Power and kGo. They give a nice warm vape and hold about 2ml of juice so they last a pretty long time without refilling. The Boges are also good cartos, but I like the Ressurectors more, plus they hold about twice as much juice. You get a free 5-pack of Ressurectors if you buy an E-power from CCV, and they are the only cartos I use.
And if you want them to last even longer, the Smoktech 3.5ml tank is perfect for E-Power/kGo sized PVs. They are cheap and work really well. They are dual coil tanks, and it comes with a pre-punched DC carto, but personally I think dual coils suck at lower voltages. Instead I use the Ressurectors in the tank and they work a lot better. They are single coil, but their the same size as a dual coil (XL) so they fit perfectly in the Smoktech tanks. Hoosier and CCV both sell the tanks, and CCV has colored tanks as well. They also both sell pre-punched Ressurector cartos (Smoktech 1.7ohm XL cartos), and they have the metal base on them like the DC carto that comes with the tank. You dont have to use a carto with a flanged bottom, but they are nice bc they stop the tank from being able to slide down.
Heres what the 3.5ml tank looks like:
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The first picture is a 3.5ml tank and a Ressurector on my E-Power, and the second picture is a Ressurector by itself, and you can see the 3.5ml tank doesnt make your PV much bigger bc its about the same diameter as the battery tube.
I like the 3.5ml tanks bc their big enough that I can fill in the morning and easily be good all day, yet their still small enough that I can easily carry my E-Power in my pocket with the tank on it. This would be a MUCH better "tank" set-up than an eGo-C.
I think youd really like a kGo or E-Power, and with the long battery life of either one and a 3.5ml tank, you can vape all day completely maintanence free, while still having a very portable PV.
Goodluck!