Our 2003 entry can be downloaded here:
http://www.cybersonics.org/cybersoni...airman2003.asp
However, don't worry so much about the entry itself. It's the TEAM, who they are, and what they do that makes a champion. The submission is simply the vehicle by which all of that is conveyed.
May I also suggest you use FIRST's official documentation about Chairman's submissions in your research:
http://www2.usfirst.org/2003comp/Awards_03.pdf
Don't forget there is an all important interview process as well.