I test drove both over smooth and rough roads. To me the non-pp felt to soft and wanted to float over bumps. This made the car feel more like a couple then a sports car. I preferred the stiffer setup of the PP and the brembo brakes are just outstanding.
Like everyone said only you can decide...
Don't feel to bad. Had my 2015 for three weeks with 500 miles on it when it got its first ding. The worse part was I did it when getting out of my wife F150 on a rainy day. My foot slipped on the running board getting out causing me to grab the door which swung out and hit the car. Talk...