(Hopefully, Apple's newly announced $6,000 Mac Pro has enough raw power to sidestep this messy business.) Eventually, the beachball goes away, and you get some more work done until the ball returns. The dreaded beachball makes an appearance, spinning countless times all the while you can't get any work done. It almost never fails, just as you're about to finish a big project for work or school, with a deadline looming, your Mac begins to slow down.