I've had a lot of Macs over the years. I remember the old PowerPC Macs, which performed OK against Intel-based PCs, but did have some heat issues under heavy loads. I went along with the transition to Intel in the Mid 2000s, and had a Mac Pro Intel-based machine, which replaced my identical-looking PowerMac G5. That served me well for many years because it was so upgradeable, but eventually, that machine no longer supported the latest versions of macOS, so reluctantly I bought an iMac in 2019, sporting a 3.6GHZ 8-CORE INTEL CORE I9 chip, and 8GB of memory. Like many...