Ten year old software is very different from ten year old hardware.
The problem with this tiny projects is that you need a web browser. And good luck browsing the web in old PCs [...]
As I can imagine now, a lot of things will not run on 10 y.o. hardware once you get limited by the last base OS you could install.
It came out with a core i7 and it supports up to 16GB of ram. I upgraded it to 12GB a few years ago and an SSD.
Caveat: it was a model from the professionnal line, came with free ram slot and is easily disk swappable. The same could not be said of a model from the consumer line that would have had its memory maxed out at 2GB.