i found the proper section for me!! yay!
i have a RN atty, i got ripped off by a mall kiosk (smoke-free), but the thing works well for me so far and the dude gave me the 5 year warranty free so i can't complain. he also gave me a whole bunch of extra carts, like 6 5-packs extra.
so far it is working great, ill be checking out this section for answer to some questions i have. if i can't find them ill be back here to ask
I love my RN4081 -- I started with the NJOY NPRO and it works fine for me, but I only direct drip. I was quickly disillusioned with the NJOY cartridges, just got a chemmy taste as they didn't seem to wick well and tasted bad after awhile.
"Dripping" is not recommended with automatic batteries, but I've never had a problem, using 2-3 drops max at a time, learning when it's time for more (fading taste, yucky taste, burn-y taste) and storing the device horizontally or with the battery pointed up (so no juices flow downward). I also don't let it hang from my mouth while using it, as the heated juices are more likely to roll down into the battery that way. Never had a problem though, and I occasionally blow air into the LED end and never see any juices running out of the other end.
Totally Wicked
e-liquid sells 5-packs of atomizers and batteries at decent rates and I'm very pleased with their parts so far. I've had no complaints with the NPRO RN4081 atty (which has two side carburetors/vents/whatever). I think replacement kits can be had for much cheaper and many of TW's parts are pretty expensive, but I think the 5-packs of atomizers are only $20.99 and the batteries are $49.99 for 5.
The TW RN4081 atties are entirely compatible with NJOY et al but have one vent and a different bridge design which is more effective. I have one dedicated to TastyVapor atomic cinnacide
juice and it's great.
It took awhile to break in but now it's noticeably superior to the NJOY atomizer. I think there may be newer NJOY kits with the superior atomizer, or your mall guy might have them for obscene prices, like $15 each, heh.
BTW, the mall kiosk might not be there or may be a different company well before 5 years go by, but you probably will be able to exchange your batteries and atomizers for replacements as they fail while they exist under that name

I'd just get extra atomizers on the cheap online and batteries. You can easily keep 4 batteries on your person and obviate the need for a PCC. If that doesn't hold you over then it's time for something with a big ol' battery, like an eGo (which is only the beginning size-wise, and where I'm at ATM, but still rocking the RN4081 regularly). I rotate between 510 / eGo / RN4081 pretty frequently and love 'em all. Poor Blu has been sitting in the basement, should probably sell that bad boy.