Can anyone please recommend a way of setting up a home mac-cluster? I am aware that X-Grid was used for a while with X-Serve and the like, but this was discontinued several OSX versions ago. I have a Mac Pro 3,1 (8-cores @ 3.0GHz) and a Mac Pro 1,1 (going to be upgraded to 2,1) and I would like to experiment with networking these and a few other macs (MacMini G4, PowerMac G5, a couple of laptops) into a cluster to see what I would get. I have no particular purpose for it, I would just like to see how it is set-up and what the possibilities are. Perhaps I'll write a program to find prime numbers and see how many it can find in an hour on a cluster computer?