Just to mention it here, IHaskell solves a lot of the annoyances with ghci. Easy multi-line input, don't need let in front of functions, can define modules and

Just to mention it here, IHaskell solves a lot of the annoyances with ghci. Easy multi-line input, don't need let in front of functions, can define modules and load them (automatically compiled), etc. I think they are working on support for template haskell too (important for experimenting with lens code etc)