The aspire Atlantis coils are easy to rebuild so keep them. There are many tutorials on youtube on how to rebuild them. I can rebuild an atlantis coil in under 5 minutes. All you need is some kanthal, something to wrap it around and a pair of fingernail clippers to cut off the excess. An ohms meter is also a must have so you know if you have a short and so you know if your close to the right ohms that you want. Your CF battery will fire .4 and up ( I believe ) so you can wrap your coil how ever you like, you can even twist kanthal together and make a coil out of that for your atlantis like I did. The coil That I'm going to post pictures of is over 3 months old. about once a week, I pull the cotton out with tweezers and do a dry burn to get the gunk off the coil and then I rewick it with koh gen do ( Japanese cotton ). By rewicking, I mean I twist a piece of cotton and then pill it through the coil and snip off the ends with scissors...its that easy. I rebuilding your coils is so easy to do and it will save you so much money. Don't be afraid, its not hard, to do and like I said there are so many youtube videos that will help you. Air flow and VG are your friends when it comes to making bigger clouds. I have mine set to the biggest air hole and I use 80% VG e-liquid and its impressive the amount of flavor and vapor an Atlantis can produce. If your wanting something that will give you more power I suggest like an Istick 50, because it will goto 50 watts and you wont have to buy any extra gear. As with any other device that you buy, like the IPV II that goes to 70 watts, your going to need to buy batteries for it and a battery charger. 50 watts is plenty if you wrap the right coil on your atlantis and it'll work amazing on the stock coils as well. Hope this helps.
Here is my home made twisted 26g atlantis coil
on my ohm meter, no shorts and reading .61, that's just a little higher than stock but I have it on a DNA30 so 20-25watts is nice for me, you may need more.