Proper computers like that will be able to run pretty much everything the stores have to offer, but yes, I still think its a good idea to separate your bitcoin stuff from your less essential stuff like photo storage. Especially if you have access to free Macs! Sounds like you're a good guy to know, LOL.
It's pretty useful knowing people in the industry...even if you just end up cutting their hedges 😁. I was offered some s9s before but he eventually realised they were in the wrong continent 😆 . I have a couple of the pros coming soon and will likely get some minis after that. If you want some let me know.