My OCR C2 came equipped with a Fizik and it certainly was an improvement over the stock Bontrager which came with my Lemond. Still -heresy, I know- my B-17 went over to the Giant toot sweet.
No regrets.
By the way, let's not forget what started all this: going from 28c Conti Sport Contacts to 25c Conti 4000's. There's now no question in my mind that the bike is faster, quicker, and more responsive with the 4000's. A fantastic tire.