http://www.frcmastery.com/ - LabVIEW examples in a FRC context
http://ni.com/frc - NI's FRC Portal
http://zone.ni.com - NI Developer Zone: help with general LV topics; is a great resource for anything LV
A Post with some other great resources
Learn LabVIEW in 3 hours
Also, all of LabVIEW's example VIs (go Help->Find Examples) are extremely useful, and there's a whole section for common FRC tasks, as well