It all personally choice, and up to you. It's your car and you have to drive it, so it doesn't matter what anyone else thinks.
But in my opinion if your want a 987 or a Cayman buy one. Don't make your 986 a wannabe. Plus, it looks like the part below the actual intake, is a decal or piece of plastic (that's not worth $600). It will destroy the flow of the 986 design.
Good Luck with the decision!
