Matt Hogdson, awsome conference speaker, and writer of things IA and UX, and agile posted a blog about UCD. Intrigued I asked a question in the comments, and got a whole blog post as a response on getting stakeholders and users together in a workshop for co-design magic! Wow!
It’s a good read to boot. If you haven’t been so inclined as to click on any of the other links referenced thus far check it out: http://magia3e.wordpress.com/2011/02/21/ucd-is-getting-users-and-stakeholders-together/