Hi Michael: I think even the best, more experienced, top dog, or wahtever you want to label it, can always benefit by sitting in other classes. I don't think think I've ever walked away from a class unimpressed with something, albeit subtle, that the teacher used that I found useful. Perhaps a key is to set a personal expectation that gaining insighful experience through peer observations will occur every time a class observation is conducted. Our truth is what we believe, eh? Regards, Barry