Thanks for the input. The WTB tires look interesting but would never fit on the current winter bike. Oh, I see! I need a summer bike, a winter bike, and a leaf season bike! I will get on it.

And as far as the last comment about a patch of wet leaves, as I came around a leafy corner yesterday, drifting though the corner, engine revving, was some yahoo in his Mazda. He was using the wet leaves like wet snow. Clearly he had some skill, as I am still here. Brains, well,.......