SharePoint (MOSS 2007) - quick wins?

We're trialling SharePoint at the moment. We implemented it to provide Enterprise Search to our business, and it's been well-received. We're doing some work to extend the scope of Search into some of our MIS applications such as CRM and our customer support helpdesk.

Additionally, we have a couple of small software development teams set up with Team Sites. Both of these teams include smart developers who have used SharePoint before and we're just letting them get on with it, and playing in the sandpit to see what they can do. At the end of this pilot phase we're going to ask end users to run a show-and-tell to show other project teams some of the benefits of the technology, and what they've been able to achieve.

I'm now looking for other areas of the business that can make use of this platform to improve their knowledge-sharing and communication, and I'd be interested to hear from other network members who are using SharePoint. How are you using it? How did you develop for it? Did you bring in external expertise or did you acquire SharePoint development expertise in-house?

I'm convinced that there are many quick-wins which we can achieve for different areas of the business with this technology, but finding a good set of examples of its use would be excellent.