Quote Originally Posted by conropl View Post
I just bought an Arca Swiss Ball Head a few months ago... so I had to buy Arca Swiss compatible plates and am in the process of ordering an L bracket. I know everyone is recommending the RSS brackets, but the Kirk is custom made for your camera (or battery grip) and seems to be a real good fit. However, as Rich already said, the Kirk costs less. I bought one Kirk plate to check it out, and now I am in the process of buying an L bracket and a plate for my 100-400mm lens. I really cannot see what a competitor of Kirk's could do to make it better to justify the extra money you would spend.
They are probably very equal. But there is only a 5 cent difference between RSS and Kirk;
http://reallyrightstuff.com/ProductD...Mark-II&key=it
http://www.bhphotovideo.com/c/produc...for_Canon.html

I think either one would serve well.