HOWdesign.com - Doing Business - This is a great summary of what clients want. I might intergrate it in a workshops for next year.
The summary is
1. Keep the principal involved
2. Communicate eg tell the client what is happening
3. Be easy to work with
4. Exceed expecations
5. Keep your promise
6. Anticiapte their needs
7. Build a seasoned team
8. Do good work
9. Hold their hand
10. Meet their goals