im currently at misborn era 2 book 2 so were at about the same part. I also read warbreaker and i very much liked it so i recommend that oneOh hey! It took me a few days but I logged in to reply! I got up to the second or third Wax and Wayne story! The conclusion to the original Mistborn book series was pretty mind-blowing, though I would have chosen some things a little differently if I had written it myself, but I didn't, so. XD Sanderson is insane (I say this as a good thing)! He writes so much! It's very inspiring!
the magic system in warbreaker is really interesting since it works with colors (wont explain more to avoid spoilers)im currently at misborn era 2 book 2 so were at about the same part. I also read warbreaker and i very much liked it so i recommend that one