Robot in 3 Days, 2014 edition.
Lots of design hints to work from this year.
Reveal videos:
BuildBlitz
Team JVN (Roller) (Base CAD discussion) (Chassis)
Team Copioli (Intake Test)
CAD Files
Robot in 3 Days
Ri3D 1.0
BoomDone! (1)
BoomDone! (2)
BoomDone! details
O-Ryon
Good Tips
Budget Manufacturing--O-Ryon
Electrical Wiring--AndyMark