For all Portuguese reading haskellers, I am describing my ICFP 2009 contest write-up on my blog. Feel free to comment.
http://rafaelgcpp.blogspot.com/search/label/ICFP2009
For the non-Portuguese readers, Google translation tools do a lousy job, but it is still readable.
Regards
Rafael Gustavo da Cunha Pereira Pinto