CGS Kits at Elby Designs 2005-10-16 by Richard Brewster Have you all seen these? http://www.elby-designs.com/shopping/ Follow the Ken Stone Kits link. Interesting. I have bought the Bi-N-Tic parts kit, consisting of 1 LM394, 1 J108 FET, and 1 Tempco resistor. -Richard Brewster