Statics = 2.65 Pounds. That's the static number as actually measured between the 2012 Cannondale Super Six Evo Team and the 2011 non-Hi-Mod Super Six with Rival that I'm on. In fact perhaps a bit more as the Evo measured sample was larger than a 52.
Dynamics = Aerodynamic Mavic Cosmic Carbon SLRs and smaller diameter carbon tubes will smooth the airflow and create lower drag at speed.
Mathematics = Power to weight ratio. I'm a little guy. I run, I lift, I eat right, but in the end, I'm of modest power generation, decent lungs and a strong desire to ride with a group of cyclists who have coaches and legs the size of my torso. So drop a few pounds off the bike, and add some aero... It won't hurt me none.
IntangiStics = I want one! Nothing spices up the fun like some sweet new hardware. Carpe Diem, the summer slips away...