Building a gaming PC is kind of like building a hot rod--sure, the parts that make the car go fast are important, but if you're going to spend all that time on it, shouldn't it look cool, too? As such ...

As time passes and you accrue more belongings, tech in particular, you may end up with a lot of unused old gear. You could trash it or recycle it the old-fashioned way, or you could repurpose it.