Wow, great upgrade from a starter kit. The combo you bought is top-of-the-line.
With the KayFun, are you confident about being able to build your own coils? I believe that there are a couple places where you can buy pre-made coils that will work on KayFuns, but people typically build their own, using Kanthol wire and wicking material like silica or cotton (for the SvoeMesto KF and some of the clones, these materials are included with the device). Coil builds are pretty easy with the KayFun, but there's a bit of a learning curve.
Welcome to the forum, btw.
Another popular style of build uses cotton and Kanthol wrapped around a drill bit, there's a demonstration in the 2nd post of this thread: Unrelated thread, you guys are nice.....please help