Just so you know, here are some pics showing the differences between the Hasbro Universe (right) and TakaraTOMY Henkei (left) versions of Prowl:
http://www.tfw2005.com/boards/member...-prowl-01.html
http://www.tfw2005.com/boards/member...-prowl-03.html
http://www.tfw2005.com/boards/member...-prowl-08.html
I personally prefer Henkei Prowl myself. But Universe Prowl is nice too, and it's a nice mould either way. :D