Sometimes it's just fun to use a computer. To experience mindfulness as you do your favorite work or play. In that sense, a slower computer isn't always a bad thing. A slower computer helps you to improve your thinking and your processes. A slower computer allows you to be more relaxed in your tasks.
So before you insist that you need the fastest computer, think that maybe you need the slowest computer. Well, okay, that's probably not the truth either.