Firstly, True Names is an awesome read, and the real origin of cyberpunk. I much prefer it to Neuromancer or Diamond Age. Secondly, I recently tried to work out what year on the Top500 list[1] I could reasonably be for around US$5000. It's surprisingly difficult to work out mostly because they use 64 bit flops and few other systems quote that number. [1] https://top500.org/lists/top500/2025/11/
https://news.ycombinator.com/item?id=45303483
Jeff Geerling made a $3000 raspberry pi cluster and shared the linpack scores, so I looked at when it’d hit different spots in the top500 list. He’d have won from ‘93 to June ‘96, and then been knocked out of the top 10 in November ‘97.
That’s with a pretty substantial constraint, making it out of raspberry pi’s, and a lower budget. With $5000, and your pick of chips… I bet you could hit the turn of the century…