I'd like to think I'm faster...but if that's not the case I definitely look cooler.
In all seriousness, everything I've read (and I did my research) the FC is hands down the better choice. Zipp literally dropped their design on the 2012 wheels to produce the FC because the results were undeniably better. I have the clinchers which come with a weight penalty but for my long rides, they are perfect. I'll be getting a pair of tubulars when I decide to race