noteed:
Haskell is growing really fast (in community, libraries and tools). But, Vasili, Dons pushes a lot into Arch, so although he gives a correct statement, you shouldn't build your point of view relying only on that part of his answer....
Just rember the number about the Haskell libraries (and the fact it is growing), not the particular state in Arch (which seems a very nice place to use haskell, I'm new to Arch for a few days now...).
Yeah, I only want to say, "there's a lot of libraries, probably more than most people are aware of". I'm not really pushing Arch, only using it as a vehicle to get the Debian guys into action :-) They'll be able to move once the platform is released in the next couple of weeks, http://haskell.org/haskellwiki/Haskell_Platform -- Don