Back in the old days I remember it was virtually impossible to upgrade a mac where it was always easy to upgrade a PC. I’m sure the situation is different now.
I vote for PC. I’ve used PC’s since the days of DOS. But, a few programs I’d like to use either don’t make PC versions or release the Mac version and then take a year to do the PC version. Most notably Digital Performer and Altiverb.
I can also remember a time in the mid 90’s when it looked like Macs (and indeed Apple) weren’t going to be around for much longer. That’s certainly changed.