To 'get your feet wet', the MadVapes kits are nice. Since you've used 510/eGos, the 3.7V kit should be perfect. However, if you go with VV you can get 3.7V up through 5 or 6V. And, at least for me, once I tried vaping at higher than 3.7V, I can't go back, just not the same

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Using the eBay converters to get VV isn't all that much more complicated than a 3.7V mod.
However you proceed, Welcome to the wonderful wacky world of modding!
