Frank. The IMAQ Vision engineers here at NI have quite a bit of experience with the hardware and software that goes into a typical visual inspection system. I recommend contacting us by going to www.ni.com/ask and either calling the toll free number or emailing us directly.
Another great option is to contact Graftek (www.graftek.com). They will be able to give you information and insights into your entire application, from the inspection environment to the software strategies.
Kyle V
Applications Engineer
National Instruments