Digital BW, The Print

I just answered my own question I found a compare page and it mentions sensor size, sensitivity, and accuracy as well as the speed of the calibration and recalibration process. I suppose now I have some convincing to accomplish I should have known less than 25% of the cost of the Spyder 3 Elite there had to be some negatives. That and from 2002 it might not be optomized for todays LCD's. 

Bill Lewis