The Custom Custom would be a great choice. That is what is in the 5150 Kramer. It also splits very well if you plan on going with that option.
Floyds are not as bright as some make them out to be. If you're planning on having it mounted flush with the body for dive-bomb only, it'll sound fine and not be bright at all.
The SH-5 might be a little harsh. In fact, rumour has it that the Custom Custom came about by EVH swapping out the ceramic mag for an alnico 2, and the Custom Custom was born.