I recommend going with a mac so that your dev environment aligns with what most people are using nowadays. I would then buy a $5/month VPS on digital ocean to

I recommend going with a mac so that your dev environment aligns with what most people are using nowadays. I would then buy a $5/month VPS on digital ocean to deploy to so that you can run what you build in a 'production' environment and learn some devops while you are it.