For the CPU?

I currently have NOCTUA NH-D15S but I am horribly disappointed with the noise level.

Also, it seems that some sort of hybrid GPU is the way to go if I want a below-30dB PC.

What do you suggest for placing radiators for the CPU/GPU coolers; top, front, bottom?

Believe it or not, the RTX 2080 Ti in my country costs $1600 USD, in the cheapest store! I believe this is the result of AMD's incompetence to put forth any kind of worthwhile competition, while Intel is still years ahead of manufacturing their first discrete mainstream GPU chip. Also, considering t...