As far as carbon fiber frames are concerned, Calfee frames are the in the top tier of manufacturing quality and engineering refinement. From my subscriptions to composite manufacturing and technology I am aware that composite frames like the Calfee do not have fatigue issues like metals do. Aircraft manufacturers love that and that is why you see more and more parts of airframes made from composite materials using carbon fiber.
It is interesting, in perusing many web boards related to cycling that much has been posted about carbon fiber being fragile. The vast amount of posting is made by uninformed and ignorant folks who have a clear bias toward traditional ways of doing things.
As far as ride qualities are concerned, first off, being properly fit on the bike is paramount. After that, things like bottom bracket height, trail, weight distribution, wheel stiffness and weight all influence how a bike handles and rides. I think Craig Calfee understands that as well as all the other expert frame makers so his bikes have that ride quality. It's not that they are made from composites, it's that they have the geometry that leads to a good ride quality. In fact, a custom Calfee can be made to have any ride quality a rider would want.
Love a Calfee for the durability of carbon fiber and the ride qualities designed into the geometry of the frame. A taken care of carbon fiber bike should last a lifetime. This is my opinion. Others may differ and may be right. I could be wrong.
I am pleased you made a good choice in getting the Calfee.
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