csteinmetz@yandex.com said: > It depends on what you mean by "best." "Best" can mean "minimizes the > wander in oven-regulated temperature at a constant (or slowly-changing) > ambient temperature," or it can mean "fastest recovery when the ambient > temperature changes more rapidly." I think it also depends on whether you are using an existing system or get to tweak the design to take advantage of the new rules. -- These are my opinions. I hate spam.