Thanks for everyone's help. I'm going to try to find a faster PC, but if not I think I'll use my everyday Windows box P1 133 with 32 megs of ram to run the demo, since it's WAY faster.

...As I had said, server-manager won't load... I guess I should have also asked this:
It loads the main window (right frame), but has a DNS error on the navigation frame. I was able to access it through admin on the box itself, à la text-mode-noframes... Is there any reason it wouldn't load the navigation frame - or anything I might be able to fix?
...I only ask because I'm halfway through the 23-hour download of 4.1.2 on my 64kbit cable modem, and I want something to do until tomorrow.
Thanks again!
Jonathan