I got thinking about this today. My main desktop is, by IT standards, absolutely ancient at almost 10 years old now. It's now been "obsoleted" by Apple, not officially supported by the latest version of OS X (per my recent thread). However, it is still perfectly suitable for what I use it for. I just upgraded to 32GB of RAM the other day, as I do a fair bit of virtualization and I was swapping a lot. I strongly doubt that this is the oldest daily use computer on here though, as I know some of you folks have some seriously old rigs! So, post up what you are running, vintage and OS, let's see who has the oldest box on BITOG that they use as their main PC.