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Are there actually dynamic hair props out there that look halfway decent?

Yes there are. Try this site. Make sure you read the readme for instructions. These props are worked in the Pose room not the hair room.

http://www.adorana.de/

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi