I decided on the black, factory original when I had my engine out for a rebuild. No regrets. My car is GP White with all of the black trim, so I preferred the understated looks of the original. My car is a daily driver and the pad still looks like new.
I used this product as the adhesive...bought it at NAPA:

I think there might also be a spray adhesive equivalent...
__________________
-jeff
back in the saddle: '95 993 - just another black C2
*SOLD*: '87 930 GP White - heroin would have been a cheaper addiction...
"Ladies and Gentlemen, from Boston Massachusetts, we are Morphine, at your service..." - Mark Sandman (RIP
)