Labview developers the Queue State Machine Producer/Consumer will help you to improve your parallel processesing and your event's handling Check this links:
http://expressionflow.com/2007/10/01/labview-queued-state-machine-architecture/
http://forums.ni.com/t5/LabVIEW/queue-and-notifier-with-state-machine/td-p/1092109
enjoy coding !!
