I've just put together my new PC.
i7 6700k (not overclocked atm.)
EK-CoolStream PE 240 (dual block)
EK-CoolStream SE 120 (single block)
EK-XRES 140 Revo D5 PWM (pump)
NB-eLoop Fan B12-PS - 120mm PWM (fans on the blocks)
My idle is 40C and under stress it is stable at...