Well, I'm happy to report all went well without the slightest hitch.
The only thing I noticed was how upfront TSA was about it (specifically mentioning eliquid was to be presented for inspection as a liquid) and the flight attendants specifically stating that you could not use ecigs while on the flight.
I packed my 18650 charger, about 150mils of eliquid, 4 full sub tank minis, and 3 cases of spare 18650's in my backpack. At the scanner I simply pulled out the case from my backpack (didn't bother opening it) and ran it thru the scanner without incident. On the return trip, I had bought a couple of 30ml bottles of some new flavors that I forgot to put in my case and left them in my carry on and not a peep.
My conclusion for the time being is that nobody gives a rat's *** about ecig and hardware and it must be way more common now than ever. Even if regulations go in to effect, I don't think it will affect air travel.
Incidentally, ecigs are flourishing in Florida. I saw quite a few B&Ms even in the small area I was in and the one I chose to visit was one of the best I've seen. Well stocked and a well informed staff.