Hi, welcome and thanks for thinking about Haiku as a subject :) In addition to a survey you might want to have a look at the slides for one of the talks I gave at the last RMLL, about the community evolution: http://revolf.free.fr/RMLL/2009/RMLL_2009_Communaute_BeOS_a_Haiku.pdf (sorry it's in french, but I should try to find some time to translate them) François.