Oh, I just have to say I absolutely ADORE my joye ego. I use the regular joye ego, not any of the mega or tank models. So fantastic, and I've been using the same components with no issues whatsoever. I'd also suggest using 'Boge softcap 510' cartomizers with the joye ego. Perfect thing to use instead of the atomizers. Last a long time and give fantastic performance. If you spend a lot of time at the computer, you might consider getting a 'joye ego passthrough battery' along with your ego kit. Plugs right into the usb, so no need to play with batteries, but can be disconnected for portability. Good luck! Ego totally saved me from smoking. Never picked up another cig after I found it! And yeah, any juice can be used. There's a forum here specifically with juice recommendations and reviews if you need some inspiration. The Ego is a 'closed' type battery, so juice doesn't ever get into the components at all, just stays in the carto where you want it to be. Whatever model you choose, i highly recommend a 'closed' battery... otherwise juice gets in and fries your batteries, and you'll be replacing them like crazy. Big hassle.