silver efex is the shit!!! and why are you not using color efex pro 4.0 thats honestly one of the greatest programs ever created for ps
capture one is like lr4, but better and made for high end cameras. coverts and renders raw images like no other check it out
http://www.phaseone.com/capture-one
capture one is like lr4, but better and made for high end cameras. coverts and renders raw images like no other check it out
http://www.phaseone.com/capture-one