Just out of Curiousity... Carbon

Obviously from a pure stiffness and competitive advantage POV your right, but there is a reason I can't abide riding Alu bikes on the road.. ie. that for daily riding they're not as comfortable as steel frames. So for this discussion of steel vs carbon for the road everyones opinion is valid in terms of comfot asthetic price and performance.

A full suspension mountain bike would be more comfortable still and a car more comfortable than that...