A Very Nice Summary of the Best Haskell Features
Learning Haskell is hard, but I think it is really profitable. Haskell is not just another boring functional thing. Yea, I know, you can write functional code in Python too. Haskell is just different.
The main great thing about Haskell is that it is so different from the rest of the languages I use, that it really affects the code I write and the way I think about writing and structuring programs.
Below is a very nice summary of why Haskell is worth using.