I recently switched from a 15" macbook to a lenovo windows 8.1 laptop after 10 years of mac/linux for my daily driver. I live with Windows as the base install and virtualbox linux (arch + ubuntu). I am so glad to be free of the Mac... My hardware is upgradeable again, the touchscreen is a real innovation, Excel opens instantaneously and when I want Unix, I use the linux vm, I am not tempted to use the strange halfway…
You do know that the "unix cli/packaging system" thing is actual UNIX, right? Like, bona fide, certified UNIX for a while now. Homebrew is just a different package manager than you're used to, but not so different from things like apt or yum once you get to know your way around it.
1: http://pdb.finkproject.org/pdb/package.php/apt 2: https://github.com/freebsd/pkg 3: https://github.com/kladd/pacman-osx