I will add that when I bought my RC-F, I wasn't actively looking to replace the IS-F. Having been up close to a standard RC-F, I wasn't blown away. When I came across my carbon, it truly was a jaw dropping moment. I enjoy looking at the car so much that sometimes I'll just sit in the garage with a cup of coffee and admire the carbon fibre. It's beautiful. If you are the type to enjoy detailing cars, there's a good chance you'll be fixated with carbon.
Of course, these things are always subjective, but I don't foresee any problems selling mine when the time comes. With only single figure white RC-F carbons out there, it shouldn't be too hard to trade it / find a buyer. In the meantime, I'll enjoy the exclusivity. I've seen getting on for 10 RC-Fs on the road - none of them were carbon editions.