Some things to think about were outlined in the FIRST Senior Mentor call* held on 9/9/10 by Nate Knauss with Frank Merrick:
http://www.usfirst.org/roboticsprogr....aspx?id=10124
We also have a NEMO white paper on this topic:
http://www.firstnemo.org/resources.htm
* Very few people seem to be tuning into our calls. The schedule is sent out to team contacts in advance; if you have suggestions for topics you'd like to learn more about, contact your local Senior Mentor or Regional Director (or drop me a message).