If you haven't already gone with the AIO...you might want to check out the little Eleaf iStick Mini 10watt Mods. I have several of them and absolutely love them! They're really tiny, yet definitely provide enough power, and they recharge pretty quickly. They're variable volts little mods, easy-peasy to use, etc. Like you, I was mainly on tube batteries (eGo 1100mAh ones) before getting any sort of mod. When I hit upon the little Mini 10w, and loved it...I bought a bunch more to put back for friends and others I'm helping to transition from smoking to vaping. Everyone so far has loved them, too!
I was just on DesertVapes.com again last night...ordering more coils and other things to stash away. While there, I saw that she has the whole Eleaf Mini iStick 10w kit (the mod, adapter, & USB charger cord) for Less than $20! Think it was $19.75 or $19.95 to be exact. She also has a bunch of different clearomizers and/or other tanks are really terrific sale prices if you need 1 or 2.
I'm authorized to pass along a coupon code for 10% off on your first order...if you'd like to go take a look and maybe get something there. Code is 1storder10, good for only 1 time use...obviously.
Here's a link to it on Desert Vapes:
iStick 10w Kit
It comes in Blue, Black, and Silver as well!
Or...VaporEngine.com has a terrific Blowout Sale going on, too! They still have a few of the Evod Double Starter Kits (2 650mAh batteries, 2 Evod tanks, 5 coils for the tanks, USB charger + wall charger) for....$7.00 per kit now! They may now only have them in yellow, but...$7.00 for 2 whole ecigs + 5 coils...is really hard to beat! They're a terrific company, too, and I've bought many times from them as well.