and I have awful vision.
Perhaps there's a reason for that.
A friend of mine has am iMac from 2001 running the latest OSX.
No, no he doesn't. The latest OSX will not run on such a computer. Its not a matter of speed, either. The newest OSX does not have support for the PowerPC architecture.
"The hottest places in Hell are reserved for those who, in times of moral crisis, preserved their neutrality." -- Dante