A good method to brainstorm and develop ideas and still stay focused

I am following the BioJava Hackathlon 2010 via some blogs, and Andreas introduced a cool method to think about things: http://creatingminds.org/tools/post_up.htm IMHO a nice way to make brainstorming and developing ideas more focused :)

There are blogs... and there are really cool blogs :)

This one writes only about really strange (or funny) stuff that got peer reviewed... Check it out :)

http://blogs.discovermagazine.com/discoblog/