Well if you want to get into rba's, there are many to choose from. First you need to find the style of rba's that you like. I have the Russian, Terminator-C and have an Aqua on the way. So far, the Russian, kayfun copy/clone, is my favorite. Easy to build, every style of build I've done has worked great. The Term-C, Ithaka clone, is a bit more advanced, great vape, but need to use both non resistant and resistant wire. Does have juice control, but no air control like the Russian. Was looking at getting a fogger 2, Tailfun clone, but then the Aqua caught my eye. Dual coil, quad juice tracks, air and juice control, all Stainless tank.
I would give the Russian or Russian 91% a look, and the fogger too. Will probably buy a fogger sometime in the future, but will wait till the Version 3 comes out. The Rose is looking good, but not available yet.
There is just so much to choose from. I prefer bottom coil attys, so that is the style of rba's that I look for. I have a couple cheap rocket rba's, but their quality of build just doesn't compare to my other rba's. Take a look at what is out there, and find one that makes you say, that makes sense, I can do that. Also research the micro coil build thread, dragon build, and the rba section of the forum, to see what it all entails.
Have fun, building is kewl, and fun.
Vape long a Prosper!!!