You will want to get into other devices and liquid later. I didn't think I would either, but later I did. In the beginning everything is just so overwhelming... my advice is, no matter what you go with, keep it simple for now.
+1 again.
the best bet when starting is to pick something that's easy to use. once you get the feel for vaping, learning how long batteries last and the like, then you can truly start to see what your needs are. at first it's best to keep it as easy and hassle free as possible.