Gordon , Good luck !! You might put a want add in the classifieds but they are not still available to my knowledge. If you go on You-Tube C/L Guy has lots of Windy Videos you can watch as do a few others. You might be able to pick up something useful.
That's certainly true! Some of it has been overshadowed by other events, but Windy really did pioneer the "there is no mystery" approach to sharing information, and also adopted the only available technology to do it. He nominally sold the tapes, but, probably gave away as many as he sold.
He, in his inimitable style, showed you *every second* of his process, and the big value of that was that he showed everyone else that they, too, could do it, too. No secrets tricks, no mystery materials.
The biggest hump learning any skill to get over is the idea that something is so hard you shouldn't even try. Windy completely shattered that, he showed you that it was just a matter of hard work and attention to detail. Most people were never going to get as good a finish as he did, but, it told you that it was worth a try. That's absolutely invaluable and you have to give him full credit for being a pioneer.
Brett