Plus, since 1 or 2 more won't hurt, you can give F# a try for the ML goodness. This may help a progression towards Haskell - found it much easier to grok once I

Plus, since 1 or 2 more won't hurt, you can give F# a try for the ML goodness. This may help a progression towards Haskell - found it much easier to grok once I had a bit more playtime with other functional languages. I personally think, given Node and PHP proficiency, a static functional language may provide more growth in skill. It's a new paradigm as well as typing discipline.