Here is a running list of themes I have come across so far. Feel free to add more. I wil try to keep the OP updated.
Free:
Colores Theme
Material Glass
Elixium UI
Zenith
Dark Material
Green
Paid
BlueCM.12
Free:
Colores Theme
Material Glass
Elixium UI
Zenith
Dark Material
Green
Paid
BlueCM.12