How to be a dj!?!?!?!?

i make dub and techno music using ableton live on my mac. but i want to start djing live. what are some good mixers or turntables to use? i have no idea. and also, is there a program you can use to syncronize lights? if so, what is it? and also, where can you buy lights and how do you sync them to the music? thanks :D