Dihatimus, if you want a series you can power through that's already over, check out The Malazan Book of the Fallen series by Steve Erikson. 10 books of pure awesome with a scope and depth I've rarely seen before with a Magic system that rivals any of BS's. If you're looking for something still in the works that would be an awesome reading compliment over the years in between Cosmere books, check out the Gentleman Bastard series by Scott Lynch. He's a fresh new voice in the fantasy genre with a very promising future. Of you want some more suggestions, PM me. I have a huge collection that I'm always more than happy to share with others.
