Thanks to all of the previous commenters! We have the robot mostly finished, and are much farther along than we were at this point last year. Here is a video showing our progress:
http://www.youtube.com/watch?v=IEgJBFJEcKg
Our minibot deployment is also coming along well. We have built our core system and still have some work to do. Here is a video of that as well:
http://www.youtube.com/watch?v=QTh59TiHde4
Enjoy!