Mac everytime. It can do everything a PC does, and usually better.
Can't run videos? The gold standard of video production software is FinalCut Pro, a Mac only application.
With a Mac, you can natively run four different operating systems: Mac OS, Windows, Linus, and UNIX. So ultimately, no software is out of reach. You can't come close to that flexibility with a PC.
I use a Mac all day at work, and there has never been a file I couldn't open.
The cheapest Mac is the Mac Mini at $600. Their low end laptop is $999.
Set up a PC with the same hardware, software, and reliability, and the PC will cost more than a Mac.
Apple innovates.
MS Imitates.