el_chingon,
If you are using the PID Toolkit, version 6.0, then the examples will be in [LabVIEW]\examples\control\pid folder.
If you are using LabVIEW 6.1, then goto Find Examples from either the opening screen or from the Help menu and search for PID. You will find a large number of examples here.
Randy Hoskin
Applications Engineer
National Instruments
http://www.ni.com/ask