bubbl.us - free web application for brainstorming online: "What is it? Bubbl.us is a simple and free web application that lets you brainstorm online. Why use bubbl.us?
Because you can:
* Create colorful mind maps online
* Share and work with friends
* Embed your mind map in your blog or website
* Email and print your mind map
* Save your mind map as an image
And it's FREE!"
Need to check this one out.