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Yeah, I've seen that argument, but how many would actually use individually rigged toes? I don't mean to be contrary. I'm just trying to figure out whether the extra flexibility would outweigh the morphing problems that Les mentioned.

I did:
http://www.renderosity.com/mod/gallery/index.php?image_id=1761277&user_id=422036&np&np
You can see I spread the toes of his left foot - because that would be what toes are doing.