The GT/CS is an unique package on its own, so I would leave it as is.
I like the 'ghost' strip effect.
But it is your car, so you should do what you like; not what others like. No matter what you do, some will like and others will not.
I am between the Grabber and Screaming (like I think most responses are). Do not prefer the first two, especially based on all the black you will be putting on. With the 2015 color being called 'triple' I think you will find it is probably a multi-layer color (those are too much trouble to lay...