Thanks. Good to hear. Actually, I probably need to change that misperception. With the new design, they are really quite adequate. Not as tough as a full-bore Kydex, but certainly adequate for most uses. In any case, for a Kydex sheath, try:

Robert Humelbaugh at Survival Sheath Systems
http://www.survivalsheath.com
(also custom inserts for production nylon sheaths)

Eric Noeldechen (Normark) at On/Scene Tactical
http://www.mnsi.net/~nbtnoel/

David Brown at Buy Brown
http://www.buybrownholsters.com

River City Sheaths
http://rivercitysheaths.com/

Brian Wagner at Okuden
mailto:info@okuden.net