Reply to My setup needs an overhall

Ok, so Im torn between going with a traditional mixer probably (behringer ddm4000) and a traktor scratch setup including my Traktor X1 and a Traktor F1, or just getting an S4 or a Numark 4trak. any thoughts or opinions? my buddie says go for the controller, but I already have the X1 and i really dont wanna sell it cause its pretty kool...but I dunno. need feedback!