Dinarzad

Not very familiar with Computercraft an such (That goes waaaaay over my head.) But you might be able to use a Buildcraft Gate of some sort, have it emit a redstone signal if machine 'has no work', and set up a system to send the the proper signal to a computer that makes it put a read out. Or something like that, Computercraft and Buildcraft both confuse the hell out of me, Industrialcraft is the only 'technical' I can manage with any sort of reliability