I like teambox http://teambox.com/ http://teambox.com/ It gives you the formality of setting tasks and road-mapping a project. And then for when you quickly w

I like teambox http://teambox.com/ http://teambox.com/ It gives you the formality of setting tasks and road-mapping a project. And then for when you quickly want to throw ideas around there is a group IM which is quite neat. Plus it will be free for the three of you.