Some guys at our local modular club have them, and with the Digitrax control we use, it is pretty coool to be able to throw the turnout from the throttle. Other guys have them with toggle switches on the facia, but most turnouts are Pecos thrown by hand.
For my money, they would be great for places you cannot reach, or if you are modelling more modern times where turnouts are thrown by a central control.
I don't have any hard to reach areas, and I run steam in the 1920s and 30s, when you had to get off the train and throw the turnout by hand...
Andrew