He mentions that he uses a lot of virtual machines, something with which I can sympathise. Windows VMs tend to use quite a bit of CPU power (not to mention RAM)

He mentions that he uses a lot of virtual machines, something with which I can sympathise. Windows VMs tend to use quite a bit of CPU power (not to mention RAM) on the host, so if I could afford it, I'd probably push my VMs to a separate machine from my main workstation, and I rarely run more than 2.