S4 + two X1s + two F1s = ?

Yep, i've decided that i'm gonna do that.

Personally i believe the best combination is a s4 and one x1 and one f1 if you are more of a controllerist then get two f1s
the x1 is great for controlling fx decks three and four and a few other great features that help with traktor.
Ive been Djing for close to 8 years on and off and ive played vinyl cdjs and digital and i seriously think a s4 x1 and f1 is going to be my setup for a very long time i would highly recommend it.