Blender has some really good sculpting tools. I know people like to gripe about Blender's interface but the sculpting tools are really easy to use. It can do symetrical sculpting and it wont triangulate your mesh. Sculprtis is great for sculpting an original mesh(for later retopo) but not for morph targets. Blenders great fo retopo too.

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"The true sign of intelligence is not knowledge but imagination".

Albert Einstein