Reply to Suggestion in buying equipment for starting DJ.

Hello guys this is my first post in this community , im wanting to start a career as a DJ, i was believeing in Buying a Traktor S4 with the X1mk and the midi fighter 3d but seen that the s4 is like out of stock and it seems that something new is coming out, im not sure what to do if start with an s2... or wait to see what NI is going to launch...Any suggestion in where i should start in the learning process would be greatly appreciated.

Greeting from Colombia.

Joel.