They are both really nice. I don't think you'll go wrong with either brand. Pick the maker that has the pattern you want and go for it. I'm a sucker for shell, white, black, abalone, paua. I don't use them much because they chip easily if you drop them on a hard surface.
I've got a Case canoe in gold lip pearl, and one in paua abalone, and a mini copperhead in white pearl. I also have a Queen copperhead (single blade) in gold lip pearl and several Gerber Silver Knights in white and black lip pearl. All of them are outstanding knives.
Ed