It might just be me, but I find it silly having a 50 bucks ram-block on the back, but no water flowing over the PWM in front

The main purpose of a full cover block should be to cool adequately every single component, but right now any production block is just using copper (if not aluminium) plates on power circuitry. We all know how much heat PWMs produce, and it's more than RAM's. Not a single wb maker is even putting fins over there... again, silly.