Go with a Mac.

PC users who complain about "difficult to do this or that" don't realise that Mac's either work with another piece of hardware, or they don't. There's not that gray area of "sort of functioning" as with PCs. Same is true of the OS. If you like to go under the hood and tinker and hugely customize beyond the radio button options presented in the control panels/preferences, then Macs are not the way to go for you. That said, it seems like reliability is much better than PCs (given the variations of internal components in PCs).

And you can get X-Plane for flight simming.