Thanks to you both. I was contemplating purchasing Steve's CD... But if it doesn't clarify the issue then its not much good to me.  
 
I was kind of looking for the thing Mike referred to ...something that makes it easy to interpret set out in a logical way.  
 
So my question to you Gurus...how do you work it out...just huge experience ???
		 
		
		
		
		
		
		
		
		
	
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