Just want to thank all the people who responded to my question both on and off list. Gave me more than enough info to allow me to apply to my own situation(s) and adapt if neccesary. Boy, if all this great info was available 40 yrs ago when I started, I'd--I'd--well, I'd still be mediocre on a good night, but I'd know a whole lot more about why!! Thanks again! Rick