There are no savings to be had. What you don't pay one way you pay another.
>much more reliable (i never have to mess with drivers, updates just work, etc...)
So do you not own a computer? How do you avoid dealing with those issues, otherwise?
If I want to play a video game, I turn on my PlayStation and it just works and I don't have to think about it or troubleshoot anything. This has not been my experience with PC gaming.