Where did all these idiots come from who claim that so few people need more than 4Gb of RAM? I was doing light (non-professional) photo editing of some photos my partner and I took last night, and I was using almost 16GB of RAM.
That was with no VMs running. Sometimes I have 3-4 running, and then I usually push 20GB of RAM. And I am not nearly the heaviest user I know.
But I guarantee any real graphic designer needs at the very least 8GB of RAM.
It seems since the tablet craze started that all kinds of idiots who only use their computers as toys are coming out of the woodwork telling us how we should really be using our machines.