K2 Plus / CFS : 3-Days in. No CFS, no support... is this what I should expect?

I agree, I had a CFS issue and although it took two months to resolve (most of the time taken up with shipping 4 sets of parts). I generally got a response within 24 hours and I did manage to resolve it See CFS probs - posns 1 & 4 work fine, 2/3 not loading - #27 by BoBL