Because I see there are many preferences on what IDE to use for Haskell 
I've created a quick survey on this topic.

Please click here and select your choices from the lists.

http://kwiksurveys.com/s.asp?sid=oqr42h4jc8h0nbc53652


Any comments/suggestions are welcome.
(if any is missing, etc)

Apologies for the add they show after you select the preferences - it is a free survey tool - i guess they have to live somehow too :)