Whenever an old device is supposed to be unsuitable for doing something it usually feels great to use it for just that, proving it's well capable or even better.
This probably is a psychological disorder (usually mild and fun to have though) - an opposite counterpart of obsession with being among the first to buy the newest model of the most popular gadget. Both give a sense of superiority :-)
This is subjective. I personally always loved upgrading the hell out of old PC (install the maximum possible memory and CPU after patching the BIOS and soldering the socket, add a SATA card to a computer which only had IDE etc).
This probably is a psychological disorder (usually mild and fun to have though) - an opposite counterpart of obsession with being among the first to buy the newest model of the most popular gadget. Both give a sense of superiority :-)