Our wasn't necessarily "complex", but it did get to St. Louis from Michigan
- YouTube videos can be very useful, especially of prototypes from others, to prove that something is possible (and thus worth your effort).
- For pneumatics,
http://team358.org/files/pneumatic/ is fantastic.
- Which other teams are in your nearby area? Their experience can be invaluable.
- ChiefDelphi
One thing to keep in mind when seeking design resources is to take into account your material and manufacturing resources. Can you use/have access to a mill/lathe/laser cutter/jig saw/hand saw and can you make it out of titanium/aluminum/steel/wood.