The problem is, few employees or friends will want an enterprise grade server screaming in their house.

The waste described above makes me sad. Surely parts of servers can be recycled.

Sun ray was cool.

We had them at university with smart cards.

Man, this makes me want to take stock of what I have in the attic. Those old computers dont sound so bad any more.

I also wonder if I should be hoarding raspberry pi and building some kind of cluster

What am I looking at?