I don't think so (even though the query was not directed to me). If the current rigging system can support better armature functionality - which to some degree I believe it can - then there should be investment in that direction. This is why earlier I mentioned Cactus Dan's new CD Morph - which reacts to bone rotations. Brilliant! Poser already has something rudimentary to this - bulges. But they are very generalized 'muscle' structures. In reality, they are just a way to avoid crimps in the mesh during deformation. The key (as in all rigging systems) is to attain the type of deformation on the mesh that mimics the system desired - in our case, this is usually human musculature.

C makes it easy to shoot yourself in the foot. C++ makes it harder, but when you do, you blow your whole leg off.

 -- Bjarne Stroustrup

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