Reply to VCI-400 or traktor s2 /F1 combo?

Hello!
It's blowing my mind...
What should I get..( recently sold my s4) mostly controlerism
VCI-400 standard version or s2/f1 combo
Simple question what whould You pick? ...advice..?
Believe me I have read a lot reviews, youtube, etc.
I own maschine, and ipad's with lemur installed..but nothing
beat hands on...
Thanks