No, I haven't yet tried the kombucha. The process seemed a bit more involved, and I didn't really like the kombucha enough to go through it.
I will be doing another batch of the ginger ale today, though, and maybe even some kinda cream soda today, if I can find the vanilla bean.
Kombucha making is easy but as I said the scobie (I corrected the spelling above) can be creepy. If I make it again - I will write about it.
Cream soda - if you do make it please write about it.