I've never had any interest in DJ'ing, I'm a player.
Yes, it could be needed at certain functions, but I don't book those functions.
I also think being a good DJ is a skill...I have seen only a few very good ones, and all kinds of very bad ones.
I'll stick to playing my keyboard.
Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.