Reply to Machine, Kontrole Advise

Hey everyone. I wanted to ask for some advice.
I have the S4 and love it but now looking to expand. I am unsure should I get all three or is all 3 not needed which should I get first and what are the differences between them… Thanks in advance

Machine – Should I go full or Mikro
Kontrole X1
Kontrole F1

Forgot to put a poll for all 3 and wouldnt let me edit it so comment please