I recently switched my 3 ret pallies to prot dps after getting all the gear together and started doing 3v3 with them.
Below is a short unedited clip of one match, but hope you enjoy. I realize my UI is a mess, too spamy scrolling combat text for one and afterwards I noticed I forgot to put up my auras after switching spec.
http://www.youtube.com/watch?v=A1ZIbgTktCQ