Sometimes using the same old brainstorming technique becomes a bore and is eventually counterproductive. Chances are likely you have been using the same method of organizing general information before starting a project. It is also likely that you are missing new information or even obscure trends and themes that have yet to find well circulated resources.
If you want to try something new, and make brainstorming and preliminary research fun again, try using social media for your research. Check out my article in the latest addition of FUMSI Magazine. http://web.fumsi.com/go/article/find/63873