If I could interject with maybe a little more technical info regarding both the DCT and the F1 gearbox. The "guts" of the F1 and 6-speed are essentially the same. Besides some ratio changes...some fork changes on the Scuderia, 16M and 599 Superfast systems, they are basically the same. The only difference is the mounting of an electro-hydraulic actuator that pushes the clutch and changes the gear. The opening on the side of the box is the same where the actuator mounts for the F1 and where the shift linkage mounts for the 6-speed. I agree that there are purists that prefer to shift themselves and those that prefer the F1 shifting abilities. That is what is so GREAT about Ferrari. You have a choice. Even with the exclusivity of the vehicle, you still have a choice. Except the Scuderia and 16M of course.
The DCT is a bit more involved. It is still a mechanical gearbox as well, except it has multiple shafts for "pre-selecting" your desired gear. The dual clutches are exactly as they say, two clutch packs that sit on two different shafts. One selects one set of gears, (ex. 1,3,5,7) while the other does another set, (ex. 2,4,6,R). The clutches are wet clutches, as in an automatic gearbox, however the fluid is kept separate from the gearbox. There is the gearbox fluid, just like a manual box, and there is the DCT fluid, for the clutches. This separation allows them to keep a manual gear selection with forks and such, and enhance the speed of the gear change. Regarding the wear or durability...I can only say wait and see...with the fact the clutches are only on and off, since the gears are preselected and not much "slippage" going on, except at launch....I don't foresee much issue. But time will tell.
I will chime in that I am an F1 fan. The Scud and 16M are by far the most exhilarating gear changes i have experienced. But the DCT in the 458 is pretty incredible as well. Shifts much more intense than the California.
Not trying to step on any toes, just throw a bit of the technical aspect that maybe some did not know or were interested in hearing.