If you enjoy Haskell and programming, why not start a hobby project with it? It's a general purpose language after all.
(Using it at your day job is a different proposition, of course. I'm still having arguments with my boss over the use of Scala instead of Java. Imagine if I proposed moving outside the JVM!)
I have lots of hobby projects, I just can't see how Haskell itself would be useful. I do back-end stuff at work, so most of the stuff I do at home tends to be front end web apps. Based on what I learned of haskell at the time, it doesn't really seem like the right language for that sort of thing.
(Using it at your day job is a different proposition, of course. I'm still having arguments with my boss over the use of Scala instead of Java. Imagine if I proposed moving outside the JVM!)