Oh, okay. I wasn't sure, since you didn't mention that part of it. Still, it's a good reminder to give to other people, I guess.
That said, Brandon has mentioned that the original Mistborn series was pitched as a trilogy of trilogies. So, nine books. Plus, we have the additional novels following Wax, Wayne, & co. Now, Brandon said that we wouldn't understand the bendalloy bubble clue until "about ten books" from now. What's in that final Mistborn trilogy? Allomantic FTL travel. Hmmm...