APL/J/K/NIAL

What's so special about array languages? When I look at them all I see is a decent Math library on top of a rather poor and antiquated language. On Wikipedia and sites of those languages people rave about how much more concise than other languages they are and how learning them expands your horizons and makes you a better programmer but except for higher order functions, which may have been special at the time APL was invented, but now are present in almost every modern language, I don't see any features that come close to what Haskell, ML, Scala and the likes offer.
Am I missing something?

>>9
That's strange because when I look at the features of languages like Haskell, Scala, ML, oz, Scheme etc. I can easily tell that they are more powerful than most other languages out there.

Array languages dont seem to have any special language features whatsoever, so basically everything you can do with them you can quite easily implement as a library in any given language that supports the same basic stuff like higher order functions, i.e., python.